Second Sino–Japanese War
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The Second Sino-Japanese War was fought between the
Republic of China Taiwan, officially the Republic of China (ROC), is a country in East Asia. The main geography of Taiwan, island of Taiwan, also known as ''Formosa'', lies between the East China Sea, East and South China Seas in the northwestern Pacific Ocea ...
and the
Empire of Japan The Empire of Japan, also known as the Japanese Empire or Imperial Japan, was the Japanese nation state that existed from the Meiji Restoration on January 3, 1868, until the Constitution of Japan took effect on May 3, 1947. From Japan–Kor ...
between 1937 and 1945, following a period of war localized to
Manchuria Manchuria is a historical region in northeast Asia encompassing the entirety of present-day northeast China and parts of the modern-day Russian Far East south of the Uda (Khabarovsk Krai), Uda River and the Tukuringra-Dzhagdy Ranges. The exact ...
that started in 1931. It is considered part of
World War II World War II or the Second World War (1 September 1939 – 2 September 1945) was a World war, global conflict between two coalitions: the Allies of World War II, Allies and the Axis powers. World War II by country, Nearly all of the wo ...
, and often regarded as the beginning of World WarII in Asia. It was the largest Asian war in the 20th century and has been described as The Asian Holocaust, in reference to the scale of
Japanese war crimes During its imperial era, Empire of Japan, Japan committed numerous war crimes and crimes against humanity across various Asian-Pacific nations, notably during the Second Sino-Japanese War, Second Sino-Japanese and Pacific Wars. These incidents ...
against Chinese civilians. It is known in China as the War of Resistance against Japanese Aggression. On 18 September 1931, the Japanese staged the Mukden incident, a
false flag A false flag operation is an act committed with the intent of disguising the actual source of responsibility and pinning blame on another party. The term "false flag" originated in the 16th century as an expression meaning an intentional misrep ...
event fabricated to justify their invasion of Manchuria and establishment of the puppet state of
Manchukuo Manchukuo, officially known as the State of Manchuria prior to 1934 and the Empire of Great Manchuria thereafter, was a puppet state of the Empire of Japan in Northeast China that existed from 1932 until its dissolution in 1945. It was ostens ...
. This is sometimes marked as the beginning of the war. From 1931 to 1937, China and Japan engaged in skirmishes, including in Shanghai and in Northern China. Chinese Nationalist and Communist forces, respectively led by Chiang Kai-shek and
Mao Zedong Mao Zedong pronounced ; traditionally Romanization of Chinese, romanised as Mao Tse-tung. (26December 18939September 1976) was a Chinese politician, revolutionary, and political theorist who founded the People's Republic of China (PRC) in ...
, had fought each other in the
Chinese Civil War The Chinese Civil War was fought between the Kuomintang-led Nationalist government, government of the Republic of China (1912–1949), Republic of China and the forces of the Chinese Communist Party (CCP). Armed conflict continued intermitt ...
since 1927. In late 1933, Chiang Kai-shek encircled the Chinese Communists in an attempt to finally destroy them, forcing the Communists into the
Long March The Long March ( zh, s=长征, p=Chángzhēng, l=Long Expedition) was a military retreat by the Chinese Red Army and Chinese Communist Party (CCP) from advancing Kuomintang forces during the Chinese Civil War, occurring between October 1934 and ...
, resulting in the Communists losing around 90% of their men. As a Japanese invasion became imminent, Chiang still refused to form a united front before he was placed under house arrest by his subordinates who forced him to form the
Second United Front The Second United Front ( zh, t=第二次國共合作 , s=第二次国共合作 , first=t , l=Second Nationalist-Communist Cooperation, p=dì èr cì guógòng hézuò ) was the alliance between the ruling Kuomintang (KMT) and the Chinese Co ...
in late 1936 in order to resist the Japanese invasion together. The full-scale war began on 7 July 1937 with the Marco Polo Bridge incident near Beijing, which prompted a full-scale Japanese invasion of the rest of China. The Japanese captured the capital of
Nanjing Nanjing or Nanking is the capital of Jiangsu, a province in East China. The city, which is located in the southwestern corner of the province, has 11 districts, an administrative area of , and a population of 9,423,400. Situated in the Yang ...
in 1937 and perpetrated the
Nanjing Massacre The Nanjing Massacre, or the Rape of Nanjing (formerly Chinese postal romanization, romanized as ''Nanking'') was the mass murder of Chinese civilians, noncombatants, and surrendered prisoners of war by the Imperial Japanese Army in Nanji ...
. After failing to stop the Japanese capture of
Wuhan Wuhan; is the capital of Hubei, China. With a population of over eleven million, it is the most populous city in Hubei and the List of cities in China by population, eighth-most-populous city in China. It is also one of the nine National cent ...
in 1938, then China's de facto capital at the time, the
Nationalist government The Nationalist government, officially the National Government of the Republic of China, refers to the government of the Republic of China (1912–1949), Republic of China from 1 July 1925 to 20 May 1948, led by the nationalist Kuomintang (KMT ...
relocated to
Chongqing ChongqingPostal Romanization, Previously romanized as Chungking ();. is a direct-administered municipality in Southwestern China. Chongqing is one of the four direct-administered municipalities under the State Council of the People's Republi ...
in the Chinese interior. After the Sino-Soviet Non-Aggression Pact, Soviet aid bolstered the
National Revolutionary Army The National Revolutionary Army (NRA; zh, labels=no, t=國民革命軍) served as the military arm of the Kuomintang, Chinese Nationalist Party (Kuomintang, or KMT) from 1924 until 1947. From 1928, it functioned as the regular army, de facto ...
and
Air Force An air force in the broadest sense is the national military branch that primarily conducts aerial warfare. More specifically, it is the branch of a nation's armed services that is responsible for aerial warfare as distinct from an army aviati ...
. By 1939, after Chinese victories at
Changsha Changsha is the capital of Hunan, China. It is the 15th most populous city in China with a population of 10,513,100, the Central China#Cities with urban area over one million in population, third-most populous city in Central China, and the ...
and with Japan's lines of communications stretched deep into the interior, the war reached a stalemate. The Japanese were unable to defeat
Chinese Communist Party The Communist Party of China (CPC), also translated into English as Chinese Communist Party (CCP), is the founding and One-party state, sole ruling party of the People's Republic of China (PRC). Founded in 1921, the CCP emerged victorious in the ...
forces in
Shaanxi Shaanxi is a Provinces of China, province in north Northwestern China. It borders the province-level divisions of Inner Mongolia to the north; Shanxi and Henan to the east; Hubei, Chongqing, and Sichuan to the south; and Gansu and Ningxia to t ...
, who waged a campaign of sabotage and
guerrilla warfare Guerrilla warfare is a form of unconventional warfare in which small groups of irregular military, such as rebels, partisans, paramilitary personnel or armed civilians, which may include recruited children, use ambushes, sabotage, terrori ...
. In November 1939, Chinese nationalist forces launched a large scale winter offensive, and in August 1940, communist forces launched the Hundred Regiments Offensive in central China. In December 1941, Japan launched a surprise
attack on Pearl Harbor The attack on Pearl HarborAlso known as the Battle of Pearl Harbor was a surprise military strike by the Empire of Japan on the United States Pacific Fleet at Naval Station Pearl Harbor, its naval base at Pearl Harbor on Oahu, Territory of ...
and declared war on the United States. The US increased its aid to China under the
Lend-Lease Act Lend-Lease, formally the Lend-Lease Act and introduced as An Act to Promote the Defense of the United States (),
, becoming its main financial and military supporter. With
Burma Myanmar, officially the Republic of the Union of Myanmar; and also referred to as Burma (the official English name until 1989), is a country in northwest Southeast Asia. It is the largest country by area in Mainland Southeast Asia and ha ...
cut off, the
United States Army Air Forces The United States Army Air Forces (USAAF or AAF) was the major land-based aerial warfare service component of the United States Army and ''de facto'' aerial warfare service branch of the United States during and immediately after World War II ...
airlifted material over the Himalayas. In 1944, Japan launched
Operation Ichi-Go Operation Ichi-Go () was a campaign of a series of major battles between the Imperial Japanese Army forces and the National Revolutionary Army of the Republic of China, fought from April to December 1944. It consisted of three separate battles in ...
, the invasion of
Henan Henan; alternatively Honan is a province in Central China. Henan is home to many heritage sites, including Yinxu, the ruins of the final capital of the Shang dynasty () and the Shaolin Temple. Four of the historical capitals of China, Lu ...
and
Changsha Changsha is the capital of Hunan, China. It is the 15th most populous city in China with a population of 10,513,100, the Central China#Cities with urban area over one million in population, third-most populous city in Central China, and the ...
. In 1945, the
Chinese Expeditionary Force The Chinese Expeditionary Force () was an expeditionary unit of China's National Revolutionary Army that was dispatched to Burma and India in support of the Allied efforts against the Imperial Japanese Army during the Japanese invasion and occu ...
resumed its advance in Burma and completed the
Ledo Road The Ledo Road () was an overland connection between British India and China, built during World War II to enable the Western Allies to deliver supplies to China and aid the war effort against Japan. After the Japanese cut off the Burma Ro ...
linking India to China. China launched large counteroffensives in South China, repulsed a failed Japanese invasion of West Hunan, and recaptured Japanese occupied regions of Guangxi. Japan formally surrendered on 2 September 1945, following the
atomic bombings of Hiroshima and Nagasaki On 6 and 9 August 1945, the United States detonated two atomic bombs over the Japanese cities of Hiroshima and Nagasaki, respectively, during World War II. The aerial bombings killed between 150,000 and 246,000 people, most of whom were civili ...
, Soviet declaration of war and subsequent invasions of
Manchukuo Manchukuo, officially known as the State of Manchuria prior to 1934 and the Empire of Great Manchuria thereafter, was a puppet state of the Empire of Japan in Northeast China that existed from 1932 until its dissolution in 1945. It was ostens ...
and
Korea Korea is a peninsular region in East Asia consisting of the Korean Peninsula, Jeju Island, and smaller islands. Since the end of World War II in 1945, it has been politically Division of Korea, divided at or near the 38th parallel north, 3 ...
. The war resulted in the deaths of around 20 million people, mostly Chinese civilians. China was recognized as one of the Big Four allied powers during the war and one of the "Four Policemen", which formed the foundation of the United Nations. It regained all lost territories and became one of the five permanent members of the
United Nations Security Council The United Nations Security Council (UNSC) is one of the six principal organs of the United Nations (UN) and is charged with ensuring international peace and security, recommending the admission of new UN members to the General Assembly, an ...
. The Chinese Civil War resumed in 1946, ending with a communist victory and the
Proclamation of the People's Republic of China The proclamation of the People's Republic of China was made by Mao Zedong, the chairman of the Chinese Communist Party (CCP), on October 1, 1949, in Tiananmen Square in Beijing. The government of a new state under the CCP, formally called ...
in 1949, while the government of the Republic of China relocated on Taiwan. In 1952 Japan and the
Republic of China Taiwan, officially the Republic of China (ROC), is a country in East Asia. The main geography of Taiwan, island of Taiwan, also known as ''Formosa'', lies between the East China Sea, East and South China Seas in the northwestern Pacific Ocea ...
signed the
Treaty of Taipei The Sino-Japanese Peace Treaty ( zh, t=中日和平條約; ), formally the Treaty of Peace between the Republic of China and Japan ( zh, t=中華民國與日本國間和平條約, links=no; ) and commonly known as the Treaty of Taipei ( zh, t= ...
, formally ending the war. After Japan recognised the People's Republic of China as the legitimate Chinese government, a new peace treaty was signed between the communist government and Japan.


Names

In China, the war is most commonly known as the "War of Resistance against Japanese Aggression" ( zh, t=抗日戰爭, s=抗日战争), and shortened to "Resistance against Japanese Aggression" () or the "War of Resistance" (). It was also called the "Eight Years' War of Resistance" (), but in 2017 the
Chinese Ministry of Education The Ministry of Education of the People's Republic of China is a constituent department of the State Council, responsible for basic education, vocational education, higher education, and other educational affairs throughout the country. Th ...
issued a directive stating that textbooks were to refer to the war as the "Fourteen Years' War of Resistance" (), reflecting a focus on the broader conflict with Japan going back to the 1931
Japanese invasion of Manchuria The Empire of Japan's Kwantung Army invaded the Manchuria region of the Republic of China on 18 September 1931, immediately following the Mukden incident, a false flag event staged by Japanese military personnel as a pretext to invade. At the ...
. According to historian
Rana Mitter Rana Shantashil Rajyeswar Mitter (born 11 August 1969) is a British historian and political scientist of Indian descent who specialises in the History of the People's Republic of China. He is ST Lee Chair in US-Asia Relations at the Harvard ...
, historians in China are unhappy with the blanket revision, and (despite sustained tensions) the Republic of China did not consider itself to be in an ongoing war with Japan over these six years. It is also referred to as part of the "Global Anti-Fascist War". In contemporary Japan, the name "Japan–China War" () is most commonly used because of its perceived objectivity. When the invasion of
China proper China proper, also called Inner China, are terms used primarily in the West in reference to the traditional "core" regions of China centered in the southeast. The term was first used by Westerners during the Manchu people, Manchu-led Qing dyn ...
began in earnest in July 1937 near
Beijing Beijing, Chinese postal romanization, previously romanized as Peking, is the capital city of China. With more than 22 million residents, it is the world's List of national capitals by population, most populous national capital city as well as ...
, the
government of Japan The Government of Japan is the central government of Japan. It consists of legislative, executive (government), executive and judiciary branches and functions under the framework established by the Constitution of Japan. Japan is a unitary st ...
used "The North China Incident" (), and with the outbreak of the
Battle of Shanghai The Battle of Shanghai ( zh, t=淞滬會戰, s=淞沪会战, first=t, p=Sōng hù huìzhàn) was a major battle fought between the Empire of Japan and the Republic of China (1912–1949), Republic of China in the Chinese city of Shanghai during ...
the following month, it was changed to "The China Incident" (). The word "incident" () was used by Japan, as neither country had made a formal
declaration of war A declaration of war is a formal act by which one state announces existing or impending war activity against another. The declaration is a performative speech act (or the public signing of a document) by an authorized party of a national gov ...
. From the Japanese perspective, localizing these conflicts was beneficial in preventing intervention from other countries, particularly the United Kingdom and the United States, which were its primary source of petroleum and steel respectively. A formal expression of these conflicts would potentially lead to an American embargo in accordance with the
Neutrality Acts of the 1930s The Neutrality Acts were a series of acts passed by the US Congress in 1935, 1936, 1937, and 1939 in response to the growing threats and wars that led to World War II. They were spurred by the growth in isolationism and non-interventionism in ...
.Jerald A. Combs
Embargoes and Sanctions
''Encyclopedia of American Foreign Policy'', 2002
In addition, due to China's fractured political status, Japan often claimed that China was no longer a recognizable political entity on which war could be declared.


Other names

In Japanese propaganda, the invasion of China became a crusade (), the first step of the "eight corners of the world under one roof" slogan (). In 1940, Japanese prime minister
Fumimaro Konoe was a Japanese politician who served as Prime Minister of Japan from 1937 to 1939 and from 1940 to 1941. He presided over the Japanese invasion of China in 1937 and breakdown in relations with the United States, which shortly after his t ...
launched the Taisei Yokusankai. When both sides formally declared war in December 1941, the name was replaced by "Greater East Asia War" (). Although the Japanese government still uses the term "China Incident" in formal documents, the word '' Shina'' is considered derogatory by China and therefore the media in Japan often paraphrase with other expressions like "The Japan–China Incident" (), which were used by media as early as the 1930s. The name "Second Sino-Japanese War" is not commonly used in Japan as the China it fought a war against in 1894 to 1895 was led by the
Qing dynasty The Qing dynasty ( ), officially the Great Qing, was a Manchu-led Dynasties of China, imperial dynasty of China and an early modern empire in East Asia. The last imperial dynasty in Chinese history, the Qing dynasty was preceded by the ...
, and thus is called the Qing-Japanese War (), rather than the
First Sino-Japanese War The First Sino-Japanese War (25 July 189417 April 1895), or the First China–Japan War, was a conflict between the Qing dynasty of China and the Empire of Japan primarily over influence in Joseon, Korea. In Chinese it is commonly known as th ...
. Another term for the second war between Japan and China is the "Japanese invasion of China", a term used mainly in foreign and Chinese narratives.


Background

The origins of the Second Sino-Japanese War can be traced to the
First Sino-Japanese War The First Sino-Japanese War (25 July 189417 April 1895), or the First China–Japan War, was a conflict between the Qing dynasty of China and the Empire of Japan primarily over influence in Joseon, Korea. In Chinese it is commonly known as th ...
(1894–1895), in which China, then under the rule of the Qing dynasty, was defeated by Japan and forced to cede
Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia. The main geography of Taiwan, island of Taiwan, also known as ''Formosa'', lies between the East China Sea, East and South China Seas in the northwestern Pacific Ocea ...
and recognize the full and complete independence of
Korea Korea is a peninsular region in East Asia consisting of the Korean Peninsula, Jeju Island, and smaller islands. Since the end of World War II in 1945, it has been politically Division of Korea, divided at or near the 38th parallel north, 3 ...
in the
Treaty of Shimonoseki The , also known as the Treaty of Maguan () in China or the in Japan, was signed at the hotel in Shimonoseki, Japan, on April 17, 1895, between the Empire of Japan and Qing China. It was a treaty that ended the First Sino-Japanese War, ...
. Japan also annexed the
Senkaku Islands The Senkaku Islands, known as the Diaoyu Islands in China and the Tiaoyutai Islands in Taiwan, are a group of uninhabited islands in the East China Sea, administered by Japan. They were historically known in the Western world as the Pinnacle ...
, which Japan claims were uninhabited, in early 1895 as a result of its victory at the end of the war. Japan had also attempted to annex the
Liaodong Peninsula The Liaodong or Liaotung Peninsula ( zh, s=辽东半岛, t=遼東半島, p=Liáodōng Bàndǎo) is a peninsula in southern Liaoning province in Northeast China, and makes up the southwestern coastal half of the Liaodong region. It is located ...
following the war, though was forced to return it to China following the
Triple Intervention The Triple Intervention or was a diplomatic intervention by Russia, Germany, and France on 23 April 1895 over the terms of the Treaty of Shimonoseki, imposed by Japan on Qing China at the end of the First Sino-Japanese War. The treaty, signed on ...
by France, Germany, and Russia. The Qing dynasty was on the brink of collapse due to internal revolts and the imposition of the
unequal treaties The unequal treaties were a series of agreements made between Asian countries—most notably Qing China, Tokugawa Japan and Joseon Korea—and Western countries—most notably the United Kingdom, France, Germany, Austria-Hungary, Italy, the Unit ...
, while Japan had emerged as a
great power A great power is a sovereign state that is recognized as having the ability and expertise to exert its influence on a global scale. Great powers characteristically possess military and economic strength, as well as diplomatic and soft power ...
through its efforts to modernize. In 1905, Japan defeated the
Russian Empire The Russian Empire was an empire that spanned most of northern Eurasia from its establishment in November 1721 until the proclamation of the Russian Republic in September 1917. At its height in the late 19th century, it covered about , roughl ...
in the
Russo-Japanese War The Russo-Japanese War (8 February 1904 – 5 September 1905) was fought between the Russian Empire and the Empire of Japan over rival imperial ambitions in Manchuria and the Korean Empire. The major land battles of the war were fought on the ...
, gaining
Dalian Dalian ( ) is a major sub-provincial port city in Liaoning province, People's Republic of China, and is Liaoning's second largest city (after the provincial capital Shenyang) and the third-most populous city of Northeast China (after Shenyang ...
and southern
Sakhalin Sakhalin ( rus, Сахали́н, p=səxɐˈlʲin) is an island in Northeast Asia. Its north coast lies off the southeastern coast of Khabarovsk Krai in Russia, while its southern tip lies north of the Japanese island of Hokkaido. An islan ...
and establishing a
protectorate A protectorate, in the context of international relations, is a State (polity), state that is under protection by another state for defence against aggression and other violations of law. It is a dependent territory that enjoys autonomy over ...
over Korea.


Warlords in the Republic of China

In 1911, factions of the Qing Army uprose against the government, staging a
revolution In political science, a revolution (, 'a turn around') is a rapid, fundamental transformation of a society's class, state, ethnic or religious structures. According to sociologist Jack Goldstone, all revolutions contain "a common set of elements ...
that swept across China's southern provinces. The Qing responded by appointing
Yuan Shikai Yuan Shikai (; 16 September 18596 June 1916) was a Chinese general and statesman who served as the second provisional president and the first official president of the Republic of China, head of the Beiyang government from 1912 to 1916 and ...
, commander of the loyalist
Beiyang Army The Beiyang Army (), named after the Beiyang region, was a Western-style Imperial Chinese Army established by the Qing dynasty in the early 20th century. It was the centerpiece of a general reconstruction of the Qing military system in the wake ...
, as temporary prime minister in order to subdue the revolution. Yuan, wanting to remain in power, compromised with the revolutionaries, and agreed to abolish the monarchy and establish a new republican government, under the condition he be appointed president of China. The new
Beiyang government The Beiyang government was the internationally recognized government of the Republic of China (1912–1949), Republic of China between 1912 and 1928, based in Beijing. It was dominated by the generals of the Beiyang Army, giving it its name. B ...
of China was proclaimed in March 1912, after which Yuan Shikai began to amass power for himself. In 1913, the parliamentary political leader Song Jiaoren was assassinated; it is generally believed Yuan Shikai ordered the assassination. Yuan Shikai then forced the parliament to pass a bill to strengthen the power of the president and sought to restore the imperial system, becoming the new emperor of China. However, there was little support for an imperial restoration among the general population, and protests and demonstrations soon broke out across the country. Yuan's attempts at restoring the monarchy triggered the
National Protection War The National Protection War ( zh, t=護國戰爭, s=护国战争, p=Hù guó zhànzhēng), also known as the Anti-Monarchy War, was a civil war that took place in China between 1915 and 1916. Following the overthrow of the Qing dynasty three yea ...
, and Yuan Shikai was overthrown after only a few months. In the aftermath of Shikai's death in June 1916, control of China fell into the hands of the Beiyang Army leadership. The Beiyang government was a civilian government in name, but in practice it was a
military dictatorship A military dictatorship, or a military regime, is a type of dictatorship in which Power (social and political), power is held by one or more military officers. Military dictatorships are led by either a single military dictator, known as a Polit ...
with a different warlord controlling each province of the country. China was reduced to a fractured state. As a result, China's prosperity began to wither and its economy declined. This instability presented an opportunity for nationalistic politicians in Japan to press for territorial expansion.


Twenty-One Demands

In 1915, Japan issued the
Twenty-One Demands The Twenty-One Demands (; ) was a set of demands made during the World War I, First World War by the Empire of Japan under Prime Minister of Japan, Prime Minister Ōkuma Shigenobu to the Government of the Chinese Republic, government of the Re ...
to extort further political and commercial privilege from China, which was accepted by the regime of Yuan Shikai. Following
World War I World War I or the First World War (28 July 1914 – 11 November 1918), also known as the Great War, was a World war, global conflict between two coalitions: the Allies of World War I, Allies (or Entente) and the Central Powers. Fighting to ...
, Japan acquired the
German Empire The German Empire (),; ; World Book, Inc. ''The World Book dictionary, Volume 1''. World Book, Inc., 2003. p. 572. States that Deutsches Reich translates as "German Realm" and was a former official name of Germany. also referred to as Imperia ...
's
sphere of influence In the field of international relations, a sphere of influence (SOI) is a spatial region or concept division over which a state or organization has a level of cultural, economic, military, or political exclusivity. While there may be a formal a ...
in
Shandong Shandong is a coastal Provinces of China, province in East China. Shandong has played a major role in Chinese history since the beginning of Chinese civilization along the lower reaches of the Yellow River. It has served as a pivotal cultural ...
province, leading to nationwide anti-Japanese protests and mass demonstrations in China. The country remained fragmented under the
Beiyang Government The Beiyang government was the internationally recognized government of the Republic of China (1912–1949), Republic of China between 1912 and 1928, based in Beijing. It was dominated by the generals of the Beiyang Army, giving it its name. B ...
and was unable to resist foreign incursions. For the purpose of unifying China and defeating the regional warlords, the
Kuomintang The Kuomintang (KMT) is a major political party in the Republic of China (Taiwan). It was the one party state, sole ruling party of the country Republic of China (1912-1949), during its rule from 1927 to 1949 in Mainland China until Retreat ...
(KMT) in
Guangzhou Guangzhou, Chinese postal romanization, previously romanized as Canton or Kwangchow, is the Capital city, capital and largest city of Guangdong Provinces of China, province in South China, southern China. Located on the Pearl River about nor ...
launched the
Northern Expedition The Northern Expedition was a military campaign launched by the National Revolutionary Army (NRA) of the Kuomintang (KMT) against the Beiyang government and other regional warlords in 1926. The purpose of the campaign was to reunify China prop ...
from 1926 to 1928 with limited assistance from the
Soviet Union The Union of Soviet Socialist Republics. (USSR), commonly known as the Soviet Union, was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 until Dissolution of the Soviet ...
.


Jinan incident

The
National Revolutionary Army The National Revolutionary Army (NRA; zh, labels=no, t=國民革命軍) served as the military arm of the Kuomintang, Chinese Nationalist Party (Kuomintang, or KMT) from 1924 until 1947. From 1928, it functioned as the regular army, de facto ...
(NRA) formed by the Kuomintang swept through southern and central China until it was checked in Shandong, where confrontations with the Japanese garrison escalated into armed conflict. The conflicts were collectively known as the Jinan incident of 1928, during which time the Japanese military killed several Chinese officials and fired artillery shells into Jinan. According to the investigation results of the Association of the Families of the Victims of the Jinan massacre, it showed that 6,123 Chinese civilians were killed and 1,701 injured. Relations between the Chinese Nationalist government and Japan severely worsened as a result of the Jinan incident.


Reunification of China (1928)

As the National Revolutionary Army approached Beijing, Zhang Zuolin decided to retreat back to Manchuria, before he was
assassinated Assassination is the willful killing, by a sudden, secret, or planned attack, of a personespecially if prominent or important. It may be prompted by political, ideological, religious, financial, or military motives. Assassinations are orde ...
by the Kwantung Army in 1928. His son,
Zhang Xueliang Zhang Xueliang ( zh, t=張學良; June 3, 1901 – October 15, 2001), also commonly known by his nickname "the Young Marshal", was a Chinese general who in 1928 succeeded his father Zhang Zuolin as the commander of the Northeastern Army. He is bes ...
, took over as the leader of the Fengtian clique in Manchuria. Later in the same year, Zhang declared his allegiance to the Nationalist government in Nanjing under Chiang Kai-shek, and consequently, China was nominally reunified under one government.


1929 Sino-Soviet war

The July–November 1929 conflict over the Chinese Eastern Railroad (CER) further increased the tensions in the Northeast that led to the Mukden Incident and eventually the Second Sino-Japanese War. The Soviet
Red Army The Workers' and Peasants' Red Army, often shortened to the Red Army, was the army and air force of the Russian Soviet Republic and, from 1922, the Soviet Union. The army was established in January 1918 by a decree of the Council of People ...
victory over Xueliang's forces not only reasserted Soviet control over the CER in Manchuria but revealed Chinese military weaknesses that Japanese Kwantung Army officers were quick to note. The Soviet Red Army performance also stunned the Japanese. Manchuria was central to Japan's East Asia policy. Both the 1921 and 1927 Imperial Eastern Region Conferences reconfirmed Japan's commitment to be the dominant power in the Northeast. The 1929 Red Army victory shook that policy to the core and reopened the Manchurian problem. By 1930, the Kwantung Army realized they faced a Red Army that was only growing stronger. The time to act was drawing near and Japanese plans to conquer the Northeast were accelerated.


Chinese Communist Party

In 1930, the
Central Plains War The Central Plains War () was a series of military campaigns in 1929 and 1930 that constituted a Chinese civil war between the Nationalist Kuomintang government in Nanjing led by Generalissimo Chiang Kai-shek and several regional military command ...
broke out across China, involving regional commanders who had fought in alliance with the Kuomintang during the Northern Expedition, and the Nanjing government under Chiang. The
Chinese Communist Party The Communist Party of China (CPC), also translated into English as Chinese Communist Party (CCP), is the founding and One-party state, sole ruling party of the People's Republic of China (PRC). Founded in 1921, the CCP emerged victorious in the ...
(CCP) previously fought openly against the Nanjing government after the
Shanghai massacre of 1927 The Shanghai massacre of 12 April 1927, the April 12 Purge or the April 12 Incident as it is commonly known in China, was the violent suppression of Chinese Communist Party (CCP) organizations and leftist elements in Shanghai by forces support ...
, and they continued to expand during this protracted civil war. The Kuomintang government in Nanjing decided to focus their efforts on suppressing the Chinese Communists through the
Encirclement Campaigns The encirclement campaigns of the Chinese Civil War were Republic of China (ROC) offensives against Chinese Communist Party (CCP) revolutionary base areas in China from the late-1920s to 1934 during the Chinese Civil War. The climax were the fiv ...
, following the policy of "first internal pacification, then external resistance" ( zh, c=攘外必先安內, links=no). After the defeat of the
Chinese Soviet Republic The Chinese Soviet Republic (CSR) was a state within China, proclaimed on 7 November 1931 by Chinese Communist Party (CCP) leaders Mao Zedong and Zhu De in the early stages of the Chinese Civil War. The discontiguous territories of the CSR incl ...
by the Nationalists, the Communists retreated on the
Long March The Long March ( zh, s=长征, p=Chángzhēng, l=Long Expedition) was a military retreat by the Chinese Red Army and Chinese Communist Party (CCP) from advancing Kuomintang forces during the Chinese Civil War, occurring between October 1934 and ...
to
Yan'an Yan'an; ; Chinese postal romanization, alternatively spelled as Yenan is a prefecture-level city in the Shaanbei region of Shaanxi Province of China, province, China, bordering Shanxi to the east and Gansu to the west. It administers several c ...
. The Nationalist government ordered local warlords to continue the campaign against the Communists rather than focus on the Japanese threat. A December 1936 coup by two Nationalist Generals, the
Xi'an Incident The Xi'an Incident was a Chinese political crisis that lasted from 12 to 26 December 1936. Chiang Kai-shek, the leader of the Nationalist government of China, was arrested in Xi'an by soldiers of the Northeastern Army under the command of Ge ...
, forced Chiang Kai-shek to accept a United Front with the Communists to oppose Japan.


Invasion of Manchuria and Northern China

The internecine warfare in China provided excellent opportunities for Japan, which saw Manchuria as a limitless supply of raw materials, a market for its manufactured goods (now excluded from the markets of many Western countries as a result of Depression-era
tariff A tariff or import tax is a duty (tax), duty imposed by a national Government, government, customs territory, or supranational union on imports of goods and is paid by the importer. Exceptionally, an export tax may be levied on exports of goods ...
s), and a protective
buffer state A buffer state is a country geographically lying between two rival or potentially hostile great powers. Its existence can sometimes be thought to prevent conflict between them. A buffer state is sometimes a mutually agreed upon area lying between t ...
against the Soviet Union in
Siberia Siberia ( ; , ) is an extensive geographical region comprising all of North Asia, from the Ural Mountains in the west to the Pacific Ocean in the east. It has formed a part of the sovereign territory of Russia and its predecessor states ...
. As a result, the Japanese Army was widely prevalent in Manchuria immediately following the Japanese victory in the Russo-Japanese War in 1905, where Japan gained significant territory in Manchuria. As a result of their strengthened position, by 1915 Japan had negotiated a significant amount of economic privilege in the region by pressuring
Yuan Shikai Yuan Shikai (; 16 September 18596 June 1916) was a Chinese general and statesman who served as the second provisional president and the first official president of the Republic of China, head of the Beiyang government from 1912 to 1916 and ...
, the president of the Republic of China at the time. With a widened range of economic privileges in Manchuria, Japan began focusing on developing and protecting matters of economic interests. This included railroads, businesses, natural resources, and a general control of the territory. With its influence growing, the Japanese Army began to justify its presence by stating that it was simply protecting its own economic interests. However militarists in the Japanese Army began pushing for an expansion of influence, leading to the Japanese Army assassinating the warlord of Manchuria,
Zhang Zuolin Zhang Zuolin; courtesy name Yuting ( zh, c=雨亭, p=Yǔtíng, labels=no) and nicknamed Zhang Laogang ( zh, c=張老疙瘩, p=Zhāng Lǎo Gēda, labels=no) (March 19, 1875June 4, 1928) was a Chinese warlord who ruled Manchuria from 1916 to 1928 ...
. This was done with hopes that it would start a crisis that would allow Japan to expand their power and influence in the region. When this was not as successful as they desired, Japan then decided to invade Manchuria outright after the Mukden incident in September 1931. Japanese soldiers set off a bomb on the Southern Manchurian Railroad in order to provoke an opportunity to act in "self defense" and invade outright. Japan charged that its rights in Manchuria, which had been established as a result of its victory in 1905 at the end of the
Russo-Japanese War The Russo-Japanese War (8 February 1904 – 5 September 1905) was fought between the Russian Empire and the Empire of Japan over rival imperial ambitions in Manchuria and the Korean Empire. The major land battles of the war were fought on the ...
, had been systematically violated and there were "more than 120 cases of infringement of rights and interests, interference with business, boycott of Japanese goods, unreasonable taxation, detention of individuals, confiscation of properties, eviction, demand for cessation of business, assault and battery, and the oppression of Korean residents". After five months of fighting, Japan established the puppet state of
Manchukuo Manchukuo, officially known as the State of Manchuria prior to 1934 and the Empire of Great Manchuria thereafter, was a puppet state of the Empire of Japan in Northeast China that existed from 1932 until its dissolution in 1945. It was ostens ...
in 1932, and installed the last Emperor of China,
Puyi Puyi (7 February 190617 October 1967) was the final emperor of China, reigning as the eleventh monarch of the Qing dynasty from 1908 to 1912. When the Guangxu Emperor died without an heir, Empress Dowager Cixi picked his nephew Puyi, aged tw ...
, as its puppet ruler. Militarily too weak to challenge Japan directly, China appealed to the
League of Nations The League of Nations (LN or LoN; , SdN) was the first worldwide intergovernmental organisation whose principal mission was to maintain world peace. It was founded on 10 January 1920 by the Paris Peace Conference (1919–1920), Paris Peace ...
for help. The League's investigation led to the publication of the
Lytton Report The Report of the Commission of Enquiry, commonly referred to as the refers to the findings of the Lytton Commission, entrusted in 1931 by the League of Nations in an attempt to evaluate the Mukden Incident, which was used to justify the Empire ...
, condemning Japan for its incursion into Manchuria, causing Japan to withdraw from the League of Nations. No country took action against Japan beyond tepid censure. From 1931 until summer 1937, the Nationalist Army under Chiang Kai-shek did little to oppose Japanese encroachment into China. Incessant fighting followed the Mukden Incident. In 1932, Chinese and Japanese troops fought the
28 January Events Pre-1600 * 98 – On the death of Nerva, Trajan is declared Roman emperor in Cologne, the seat of his government in lower Germany. * 814 – The death of Charlemagne, the first Holy Roman Emperor, brings about the accession of ...
battle. This resulted in the demilitarization of
Shanghai Shanghai, Shanghainese: , Standard Chinese pronunciation: is a direct-administered municipality and the most populous urban area in China. The city is located on the Chinese shoreline on the southern estuary of the Yangtze River, with the ...
, which forbade the Chinese to deploy troops in their own city. In Manchukuo there was an ongoing campaign to pacify the
Anti-Japanese Volunteer Armies After the Japanese invasion of Manchuria, and until 1933, large volunteer armies waged war against Japanese and Manchukuo forces over much of Northeast China. Due to Chiang Kai-shek's policy of non-resistance, the Japanese were soon able to ...
that arose from widespread outrage over the policy of non-resistance to Japan. On 15 April 1932, the
Chinese Soviet Republic The Chinese Soviet Republic (CSR) was a state within China, proclaimed on 7 November 1931 by Chinese Communist Party (CCP) leaders Mao Zedong and Zhu De in the early stages of the Chinese Civil War. The discontiguous territories of the CSR incl ...
led by the Communists declared war on Japan. In 1933, the Japanese attacked the Great Wall region. The
Tanggu Truce The Tanggu Truce, sometimes called the , was a ceasefire that was signed between military forces of the Republic of China and the Empire of Japan in Tanggu, Tianjin, on May 31, 1933. It ended the Japanese invasion of Manchuria, which had begun i ...
established in its aftermath, gave Japan control of
Rehe Province Rehe, previously romanized as Jehol, was a former Chinese special administrative region and province centered on the city of Rehe, now known as Chengde. Administration Rehe was north of the Great Wall and east of Mongolia in southwestern M ...
, as well as a demilitarized zone between the Great Wall and Beijing-Tianjin region. Japan aimed to create another buffer zone between Manchukuo and the Chinese Nationalist government in Nanjing. Japan increasingly exploited China's internal conflicts to reduce the strength of its fractious opponents. Even years after the Northern Expedition, the political power of the Nationalist government was limited to just the area of the
Yangtze River Delta The Yangtze Delta or Yangtze River Delta (YRD), once known as the Shanghai Economic Zone, is a megalopolis generally comprising the Wu-speaking areas of Shanghai, southern Jiangsu, northern Zhejiang, southern Anhui. The area lies in the he ...
. Other sections of China were essentially in the hands of local Chinese warlords. Japan sought various Chinese collaborators and helped them establish governments friendly to Japan. This policy was called the ''Specialization'' of
North China North China () is a list of regions of China, geographical region of the People's Republic of China, consisting of five province-level divisions of China, provincial-level administrative divisions, namely the direct-administered municipalities ...
(), more commonly known as the North China Autonomous Movement. The northern provinces affected by this policy were Chahar,
Suiyuan Suiyuan () was a historical province of China. Suiyuan's capital was Guisui (now Hohhot). The abbreviation was (pinyin: ). The area Suiyuan covered is approximated today by the prefecture-level cities of Hohhot, Baotou, Wuhai, Ordos, Bayan ...
,
Hebei Hebei is a Provinces of China, province in North China. It is China's List of Chinese administrative divisions by population, sixth-most populous province, with a population of over 75 million people. Shijiazhuang is the capital city. It bor ...
,
Shanxi Shanxi; Chinese postal romanization, formerly romanised as Shansi is a Provinces of China, province in North China. Its capital and largest city of the province is Taiyuan, while its next most populated prefecture-level cities are Changzhi a ...
, and Shandong. This Japanese policy was most effective in the area of what is now
Inner Mongolia Inner Mongolia, officially the Inner Mongolia Autonomous Region, is an Autonomous regions of China, autonomous region of China. Its border includes two-thirds of the length of China's China–Mongolia border, border with the country of Mongolia. ...
and Hebei. In 1935, under Japanese pressure, China signed the He–Umezu Agreement, which forbade the KMT to conduct party operations in Hebei. In the same year, the Chin–Doihara Agreement was signed expelling the KMT from Chahar. Thus, by the end of 1935 the Chinese government had essentially abandoned northern China. In its place, the Japanese-backed
East Hebei Autonomous Council The East Hebei Autonomous Government (), Japanese also known as the East Ji Autonomous Government and the East Hebei Autonomous Anti-Communist Government, was a short-lived late-1930s state in northern China. It has been described by historians ...
and the
Hebei–Chahar Political Council The Hebei–Chahar (or Hopeh-Chahar) Political Council, or Hebei-Chahar Political Commission ( zh, t=冀察政務委員會, p=''Jìchá zhèngwù wěiyuánhuì'', w=''Chi-ch'a chêng-wu wei-yüan-hui''), was a political body established under Gene ...
were established. There in the empty space of Chahar the Mongol military government was formed on 12 May 1936. Japan provided all the necessary military and economic aid. Afterwards Chinese volunteer forces continued to resist Japanese aggression in Manchuria, and Chahar and Suiyuan. Some Chinese historians believe the 18 September 1931 Japanese invasion of Manchuria marks the start of the War of Resistance. Although not the conventional Western view, British historian
Rana Mitter Rana Shantashil Rajyeswar Mitter (born 11 August 1969) is a British historian and political scientist of Indian descent who specialises in the History of the People's Republic of China. He is ST Lee Chair in US-Asia Relations at the Harvard ...
describes this Chinese trend of historical analysis as "perfectly reasonable". In 2017, the Chinese government officially announced that it would adopt this view. Under this interpretation, the 1931–1937 period is viewed as the "partial" war, while 1937–1945 is a period of "total" war. This view of a fourteen-year war has political significance because it provides more recognition for the role of northeast China in the War of Resistance.


1937: Full-scale invasion of China

On the night of 7 July 1937, Chinese and Japanese troops exchanged fire in the vicinity of the Marco Polo (or Lugou) Bridge about 16 km from Beijing. The initial confused and sporadic skirmishing soon escalated into a full-scale battle. Unlike Japan, China was unprepared for
total war Total war is a type of warfare that includes any and all (including civilian-associated) resources and infrastructure as legitimate military targets, mobilises all of the resources of society to fight the war, and gives priority to warfare ov ...
and had little military-industrial strength, no mechanized divisions, and few
armoured forces Armoured warfare or armored warfare (American English; see spelling differences), is the use of armoured fighting vehicles in modern warfare. It is a major component of modern methods of war. The premise of armored warfare rests on the abil ...
. Within the first year of full-scale war, Japanese forces obtained victories in most major Chinese cities.


Battle of Beiping–Tianjin

On 11 July, in accordance with the Goso conference, the
Imperial Japanese Army General Staff The , also called the Army General Staff, was one of the two principal agencies charged with overseeing the Imperial Japanese Army (IJA). Role The was created in April 1872, along with the Navy Ministry, to replace the Ministry of Military Af ...
authorized the deployment of an
infantry division A division is a large military unit or Formation (military), formation, usually consisting of between 10,000 and 25,000 soldiers. In most armies, a division is composed of several regiments or brigades; in turn, several divisions typically mak ...
from the Chōsen Army, two combined brigades from the
Kwantung Army The Kwantung Army (Japanese language, Japanese: 関東軍, ''Kantō-gun'') was a Armies of the Imperial Japanese Army, general army of the Imperial Japanese Army from 1919 to 1945. The Kwantung Army was formed in 1906 as a security force for th ...
and an air regiment composed of 18 squadrons as reinforcements to Northern China. By 20 July, total Japanese military strength in the Beijing-Tianjin area exceeded 180,000 personnel. The Japanese gave Sung and his troops "free passage" before moving in to pacify resistance in areas surrounding Beijing (then Beiping) and Tianjin. After 24 days of combat, the Chinese 29th Army was forced to withdraw. The Japanese captured Beijing and the
Taku Forts The Taku Forts or Dagukou Forts (大沽口炮台), also called the Peiho Forts are forts located by the Hai River (Peiho River) estuary in the Binhai New Area, Tianjin, in northeastern China. They are located southeast of the Tianjin urban ...
at Tianjin on 29 and 30 July respectively, thus concluding the Beijing-Tianjin campaign. By August 1937, Japan had occupied Beijing and Tianjin. However, the Japanese Army had been given orders not to advance further than the Yongding River. In a sudden volte-face, the Konoe government's foreign minister opened negotiations with Chiang Kai-shek's government in Nanjing and stated: "Japan wants Chinese cooperation, not Chinese land." Nevertheless, negotiations failed to move further. The Ōyama Incident on 9 August escalated the skirmishes and battles into full scale warfare. The 29th Army's resistance (and poor equipment) inspired the 1937 " Sword March", which—with slightly reworked lyrics—became the National Revolutionary Army's standard marching cadence and popularized the
racial epithet The following is a list of ethnic slurs, ethnophaulisms, or ethnic epithets that are, or have been, used as insinuations or allegations about members of a given ethnic, national, or racial group or to refer to them in a derogatory, pejora ...
'' guizi'' to describe the Japanese invaders.


Battle of Shanghai

The
Imperial General Headquarters The was part of the Supreme War Council (Japan), Supreme War Council and was established in 1893 to coordinate efforts between the Imperial Japanese Army and Imperial Japanese Navy during wartime. In terms of function, it was approximately equi ...
(GHQ) in Tokyo, content with the gains acquired in northern China following the Marco Polo Bridge Incident, initially showed reluctance to escalate the conflict into a full-scale war. Following the shooting of two Japanese officers who were attempting to enter the Hongqiao military airport on 9 August 1937, the Japanese demanded that all Chinese forces withdraw from Shanghai; the Chinese outright refused to meet this demand. In response, both the Chinese and the Japanese marched reinforcements into the Shanghai area. Chiang concentrated his best troops north of Shanghai in an effort to impress the city's large foreign community and increase China's foreign support. On 13 August 1937, Kuomintang soldiers attacked Imperial Japanese Navy Land Forces, Japanese Marine positions in Shanghai, with Japanese army troops and marines in turn crossing into the city with naval gunfire support at Zhabei, leading to the Battle of Shanghai. On 14 August, Chinese forces under the command of Zhang Zhizhong were ordered to capture or destroy the Japanese strongholds in Shanghai, leading to bitter street fighting. In an attack on the Japanese cruiser ''Japanese cruiser Izumo, Izumo'', Kuomintang planes accidentally bombed the Shanghai International Settlement, which led to more than 3,000 civilian deaths. In the three days from 14 to 16 August 1937, the Imperial Japanese Navy (IJN) sent many sorties of the then-advanced long-ranged G3M medium-heavy land-based bombers and assorted List of aircraft of the Japanese Navy, carrier-based aircraft with the expectation of destroying the Republic of China Air Force, Chinese Air Force. However, the Imperial Japanese Navy encountered unexpected resistance from the defending Chinese Curtiss F11C Goshawk, Curtiss Hawk II/Curtiss Hawk III, Hawk III and Boeing P-26 Peashooter, P-26/281 Peashooter fighter squadrons; suffering heavy (50%) losses from the defending Chinese pilots (14 August was subsequently commemorated by the KMT as China's ''Air Force Day''). The skies of China had become a testing zone for advanced biplane and new-generation monoplane combat-aircraft designs. The introduction of the advanced A5M "Claude" fighters into the Shanghai-Nanjing theater of operations, beginning on 18 September 1937, helped the Japanese achieve a certain level of Air superiority fighter, air superiority. However the few experienced Chinese veteran pilots, as well as several Chinese-American volunteer fighter pilots, including Maj. Art Chin, Maj. John Wong Pan-yang, and Capt. Chan Kee-Wong, even in their older and slower biplanes, proved more than able to hold their own against the sleek A5Ms in dogfights, and it also proved to be a battle of attrition against the Chinese Air Force. At the start of the battle, the local strength of the NRA was around five divisions, or about 70,000 troops, while local Japanese forces comprised about 6,300 marines. On 23 August, the Chinese Air Force attacked Japanese troop landings at Wusongkou in northern Shanghai with Hawk III fighter-attack planes and P-26/281 fighter escorts, and the Japanese intercepted most of the attack with A2N and A4N fighters from the aircraft carriers ''Japanese aircraft carrier Hōshō, Hosho'' and ''Japanese aircraft carrier Ryūjō, Ryujo'', shooting down several of the Chinese planes while losing a single A4N in the dogfight with Lt. John Huang Xinrui, Huang Xinrui in his P-26/281; the Japanese Army reinforcements succeeded in landing in northern Shanghai. The Imperial Japanese Army (IJA) ultimately committed over 300,000 troops, along with numerous naval vessels and aircraft, to capture the city. After more than three months of intense fighting, their casualties far exceeded initial expectations. On 26 October, the IJA captured Dachang, a key strong-point within Shanghai, and on 5 November, additional reinforcements from Japan landed in Hangzhou Bay. Finally, on 9 November, the NRA began a general retreat. Japan did not immediately occupy the Shanghai International Settlement or the Shanghai French Concession, areas which were outside of China's control due to the treaty port system. Japan moved into these areas after its 1941 declaration of war against the United States and the United Kingdom.


Battle of Nanjing and massacre

In November 1937, the Japanese concentrated 220,000 soldiers and began a campaign against Nanjing. Building on the hard-won victory in Shanghai, the IJA advanced on and Battle of Nanjing, captured the KMT capital city of Nanjing (December 1937) and Battle of Xinkou, Northern Shanxi (SeptemberNovember 1937). Japanese forces inflicted heavy casualties on the Chinese soldiers defending the city, killing approximately 50,000 of them including 17 Chinese generals. Upon the capture of Nanjing, Japanese committed massive war atrocities including mass murder and rape of Chinese civilians after 13 December 1937, which has been referred to as the
Nanjing Massacre The Nanjing Massacre, or the Rape of Nanjing (formerly Chinese postal romanization, romanized as ''Nanking'') was the mass murder of Chinese civilians, noncombatants, and surrendered prisoners of war by the Imperial Japanese Army in Nanji ...
. Over the next several weeks, Japanese troops perpetrated numerous mass executions and tens of thousands of rapes. The army looted and burned the surrounding towns and the city, destroying more than a third of the buildings. The number of Chinese killed in the massacre has been subject to much debate, with estimates ranging from 100,000 to more than 300,000.Daqing Yang, "A Sino-Japanese Controversy: The Nanjing Atrocity As History", ''Sino-Japanese Studies'', November 1990, 16. The numbers agreed upon by most scholars are provided by the International Military Tribunal for the Far East, which estimate at least 200,000 murders and 20,000 rapes. The Japanese atrocities in Nanjing, especially following the Chinese defense of Shanghai, increased international goodwill for the Chinese people and the Chinese government. The Nationalist government re-established itself in Chongqing, which became the wartime seat of government until 1945.


1938

By January 1938, most conventional Kuomintang forces had either been defeated or no longer offered major resistance to Japanese advances. KMT forces won a few victories in 1938 (the Battle of Taierzhuang and the Battle of Wanjialing) but were generally ineffective that year. By March 1938, the Japanese controlled almost all of North China. Communist-led rural resistance to the Japanese remained active, however.


Battles of Xuzhou and Taierzhuang

With many victories achieved, Japanese field generals Battle of Xuzhou, escalated the war in Jiangsu in an attempt to wipe out the Chinese forces in the area. The Japanese managed to overcome Chinese resistance around Bengbu and the Teng xian, but were fought to a halt at Linyi. The Japanese were then decisively defeated at the Battle of Taierzhuang (March–April 1938), where the Chinese used night attacks and close-quarters combat to overcome Japanese advantages in firepower. The Chinese also severed Japanese supply lines from the rear, forcing the Japanese to retreat in the first Chinese victory of the war. The Japanese then attempted to surround and destroy the Chinese armies in the Xuzhou region with an enormous pincer movement. However the majority of the Chinese forces, some 200,000–300,000 troops in 40 divisions, managed to break out of the encirclement and retreat to defend Wuhan, the Japanese's next target.


Battle of Wuhan

Following Xuzhou, the IJA changed its strategy and deployed almost all of its existing armies in China to Battle of Wuhan, attack the city of Wuhan, which had become the political, economic and military center of China, in hopes of destroying the fighting strength of the NRA and forcing the KMT government to negotiate for peace. On 6 June, they captured Kaifeng, the capital of Henan, and threatened to take Zhengzhou, the junction of the Pinghan and Longhai railways. The Japanese forces, numbering some 400,000 men, were faced by over 1 million NRA troops in the Central Yangtze region. Having learned from their defeats at Shanghai and Nanjing, the Chinese had adapted themselves to fight the Japanese and managed to check their forces on many fronts, slowing and sometimes reversing the Japanese advances, as in the case of Battle of Wanjialing, Wanjialing. To overcome Chinese resistance, Japanese forces frequently deployed poison gas and committed atrocities against civilians, such as a "mini-Nanjing Massacre" in the city of Jiujiang upon its capture. After four months of intense combat, the Nationalists were forced to abandon Wuhan by October, and its government and armies retreated to Chongqing. Both sides had suffered tremendous casualties in the battle, with the Chinese losing up to 500,000 soldiers killed or wounded, and the Japanese up to 200,000.


Communist resistance

After their victory at Wuhan, Japan advanced deep into Communist territory and redeployed 50,000 troops to the Shanxi-Chahar-Hebei Border Region. Elements of the Eighth Route Army soon attacked the advancing Japanese, inflicting between 3,000 and 5,000 casualties and resulting in a Japanese retreat. The Eighth Route Army carried out guerilla operations and established military and political bases. As the Japanese military came to understand that the Communists avoided conventional attacks and defense, it altered its tactics. The Japanese military built more roads to quicken movement between strongpoints and cities, blockaded rivers and roads in an effort to disrupt Communists supply, sought to expand militia from its puppet regime to conserve manpower, and use systematic violence on civilians in the Border Region in an effort to destroy its economy. The Japanese military mandated confiscation of the Eighth Route Army's goods and used this directive as a pretext to confiscate goods, including engaging in grave robbery in the Border Region. With Japanese casualties and costs mounting, the Imperial General Headquarters attempted to break Chinese resistance by ordering the Imperial Japanese Navy Air Service and Imperial Japanese Army Air Service to launch the war's first Strategic bombing during World War II#Japanese bombing, massive air raids on civilian targets. Japanese raiders hit the Kuomintang's newly established Bombing of Chongqing, provisional capital of Chongqing and most other major cities in unoccupied China, leaving many people either dead, injured, or homeless.


Yellow River flood


1939–1943

By 1939, the Nationalist army had withdrawn to the southwest and northwest of China and the Japanese controlled the coastal cities that been centres of Nationalist power. From 1939 to 1945, China was divided into three regions: Japanese-occupied territories (''Lunxianqu''), the Nationalist-controlled region (''Guotongqu''), and the Communist-controlled regions (''Jiefangqu,'' or liberated areas). From the beginning of 1939, the war entered a new phase with the unprecedented defeat of the Japanese at Battle of Suixian–Zaoyang and First Battle of Changsha. General Ma Biao (general), Ma Biao also led Hui, Salar and Dongxiang cavalry to defeat the Japanese at the Battle of Huaiyang in the summer of 1939. Ma Biao had fought against the Japanese in the Boxer Rebellion. In 1939, Mao Zedong wrote ''The Greatest Crisis under Current Conditions'', calling for more active resistance against Japan and for the strengthening of the Second United Front. The Chinese launched their first large-scale 1939–1940 Winter Offensive, counter-offensive against the IJA in December 1939; however, due to its low military-industrial capacity and limited experience in modern warfare, this offensive was defeated. Afterwards Chiang could not risk any more all-out offensive campaigns given the poorly trained, under-equipped, and disorganized state of his armies and opposition to his leadership both within the Kuomintang and in China in general. He had lost a substantial portion of his best trained and equipped troops in the Battle of Shanghai and was at times at the mercy of his generals, who maintained a high degree of autonomy from the central KMT government. During the offensive, Hui forces in Suiyuan under generals Ma Hongbin and Ma Buqing routed the Imperial Japanese Army and their puppet Inner Mongol forces and prevented the planned Japanese advance into northwest China. Ma Hongbin's father Ma Fulu had fought against Japanese in the Boxer Rebellion. After 1940, the Japanese encountered tremendous difficulties in administering and garrisoning the seized territories, and tried to solve their occupation problems by implementing a strategy of creating friendly puppet governments favourable to Japanese interests in the territories conquered. This included prominently the Wang Jingwei regime, regime headed by Wang Jingwei, one of Chiang's rivals in the KMT. However, Japanese war crimes, atrocities committed by the Imperial Japanese Army, as well as Japanese refusal to delegate any real power, left the puppets very unpopular and largely ineffective. The only success the Japanese had was to recruit a large Collaborationist Chinese Army to maintain public security in the occupied areas.


Japanese expansion

By 1941, Japan held most of the eastern coastal areas of China and Vietnam, but guerrilla fighting continued in these occupied areas. Japan had suffered high casualties which resulted from unexpectedly stubborn Chinese resistance, and neither side could make any swift progress in the manner of Nazi Germany in Western Europe. By 1943, Guangdong had experienced famine. As the situation worsened, New York Chinese compatriots received a letter stating that 600,000 people were killed in Siyi by starvation.


Second phase: October 1938 – December 1941

During this period, the main Chinese objective was to drag out the war for as long as possible in a war of attrition, thereby exhausting Japanese resources while it was building up China's military capacity. American general Joseph Stilwell called this strategy "winning by outlasting". The NRA adopted the concept of "magnetic warfare" to attract advancing Japanese troops to definite points where they were subjected to ambush, flanking attacks, and encirclements in major engagements. The most prominent example of this tactic was the successful defense of
Changsha Changsha is the capital of Hunan, China. It is the 15th most populous city in China with a population of 10,513,100, the Central China#Cities with urban area over one million in population, third-most populous city in Central China, and the ...
in 1939, and again in the Battle of Changsha (1941), 1941 battle, in which heavy casualties were inflicted on the IJA. Local Chinese Resistance movement, resistance forces, organized separately by both the CCP and the KMT, continued their resistance in occupied areas to make Japanese administration over the vast land area of China difficult. In 1940, the Eighth Route Army, Chinese Red Army launched a Hundred Regiments Offensive, major offensive in north China, destroying railways and a major coal mine. These constant guerilla and sabotage operations deeply frustrated the Imperial Japanese Army and they led them to employ the Three Alls policy—kill all, loot all, burn all. It was during this period that the bulk of Japanese war crimes were committed. By 1941, Japan had occupied much of north and coastal China, but the KMT central government and military had retreated to the western interior to continue their resistance, while the Chinese communists remained in control of base areas in
Shaanxi Shaanxi is a Provinces of China, province in north Northwestern China. It borders the province-level divisions of Inner Mongolia to the north; Shanxi and Henan to the east; Hubei, Chongqing, and Sichuan to the south; and Gansu and Ningxia to t ...
. In the occupied areas, Japanese control was mainly limited to railroads and major cities ("points and lines"). They did not have a major military or administrative presence in the vast Chinese countryside, where Chinese guerrillas roamed freely. From 1941 to 1942, Japan concentrated most of its forces in China in an effort to defeat the Communist bases behind Japan's lines. To decrease guerilla's human and material resources, the Japanese military implemented its Three Alls policy ("Kill all, loot all, burn all"). In response, the Communist armies increased their role in production activities, including farming, raising hogs, and cloth-making.


Relationship between the Nationalists and the Communists

After the Mukden Incident in 1931, Chinese public opinion was strongly critical of Manchuria's leader, the "young marshal" Zhang Xueliang, for his non-resistance to the Japanese invasion, even though the Kuomintang central government was also responsible for this policy, giving Zhang an order to improvise while not offering support. After losing Manchuria to the Japanese, Zhang and his Fengtian clique, Northeast Army were given the duty of suppressing the Red Army in Shaanxi after their
Long March The Long March ( zh, s=长征, p=Chángzhēng, l=Long Expedition) was a military retreat by the Chinese Red Army and Chinese Communist Party (CCP) from advancing Kuomintang forces during the Chinese Civil War, occurring between October 1934 and ...
. This resulted in great casualties for his Northeast Army, which received no support in manpower or weaponry from Chiang Kai-shek. In the
Xi'an Incident The Xi'an Incident was a Chinese political crisis that lasted from 12 to 26 December 1936. Chiang Kai-shek, the leader of the Nationalist government of China, was arrested in Xi'an by soldiers of the Northeastern Army under the command of Ge ...
that took place on 12 December 1936, Zhang Xueliang kidnapped Chiang Kai-shek in Xi'an, hoping to force an end to KMT–CCP conflict. To secure the release of Chiang, the KMT agreed to a temporary ceasefire with the Communists. On 24 December, the two parties agreed to a Second United Front (China), United Front against Japan; this had salutary effects for the beleaguered Communists, who agreed to form the New Fourth Army and the 8th Route Army under the nominal control of the NRA. In addition, Shaan-Gan-Ning and Shanxi-Chahar-Hebei border regions were created, under the control of the CCP. In Shaan-Gan-Ning, Communists in the Shaan-Gan-Ning Base Area fostered History of opium in China, opium production, taxed it, and engaged in its trade—including selling to Japanese-occupied and KMT-controlled provinces. The Red Army fought alongside KMT forces during the Battle of Taiyuan, and the high point of their cooperation came in 1938 during the Battle of Wuhan. The formation of a united front added to the legality of the CCP, but what kind of support the central government would provide to the communists were not settled. When compromise with the CCP failed to incentivize the Soviet Union to engage in an open conflict against Japan, the KMT withheld further support for the Communists. To strengthen their legitimacy, Communist forces actively engaged the Japanese early on. These operations weakened Japanese forces in Shanxi and other areas in the North. Mao Zedong was distrustful of Chiang Kai-shek, however, and shifted strategy to guerrilla warfare in order to preserve the CCP's military strength. Despite Japan's steady territorial gains in northern China, the coastal regions, and the rich Yangtze River Valley in central China, the distrust between the two antagonists was scarcely veiled. The uneasy alliance began to break down by late 1938, partially due to the Communists' aggressive efforts to expand their military strength by absorbing Chinese guerrilla forces behind Japanese lines. Chinese militia who refused to switch their allegiance were often labelled "collaborators" and attacked by CCP forces. For example, the Red Army led by He Long attacked and wiped out a brigade of Chinese militia led by Zhang Yin-wu in Hebei in June 1939. Starting in 1940, open conflict between Nationalists and Communists became more frequent in the occupied areas outside of Japanese control, culminating in the New Fourth Army Incident in January 1941. Afterwards, the Second United Front completely broke down and Chinese Communists leader
Mao Zedong Mao Zedong pronounced ; traditionally Romanization of Chinese, romanised as Mao Tse-tung. (26December 18939September 1976) was a Chinese politician, revolutionary, and political theorist who founded the People's Republic of China (PRC) in ...
outlined the preliminary plan for the CCP's eventual seizure of power from Chiang Kai-shek. Mao himself is quoted outlining the "721" policy, saying "We are fighting 70 percent for self development, 20 percent for compromise, and 10 percent against Japan". Mao began his final push for consolidation of CCP power under his authority, and his teachings became the central tenets of the CCP doctrine that came to be formalized as Mao Zedong Thought. The Communists also began to focus most of their energy on building up their sphere of influence wherever opportunities were presented, mainly through rural mass organizations, administrative, land and tax reform measures favouring poor peasants; while the Nationalists attempted to neutralize the spread of Communist influence by military blockade of areas controlled by CCP and fighting the Japanese at the same time.


Entrance of the Western Allies

Japan had expected to extract economic benefits of its invasions of China and elsewhere, including in the form of fuel and raw material resources. As Japanese aggression continued, however, the United States responded with trade embargoes on various goods, including oil and petroleum (beginning December 1939) and scrap iron and munitions (beginning July 1940). The United States demanded that Japan withdraw from China and also refused to recognize Japan's occupations of the Indochinese countries. In spring 1941, trade negotiations between the United States and Japan failed. In July 1941, the United States froze Japanese financial assets and obtained Dutch and British agreements to also cut those countries' oil exports to Japan. This in turn prompted the Japanese decision to attack Pearl Harbor. Following the attack on Pearl Harbor, the United States declared war against Japan, and within days China joined the Allies in formal declaration of war against Japan, Germany and Italy. As the Western Allies entered the war against Japan, the Sino-Japanese War would become part of a greater conflict, the Pacific War, Pacific theatre of World War II. Japan's military action against the United States also restrained its capacity to conduct further offensive operations in China. After the Lend-Lease Act was passed in 1941, American financial and military aid began to trickle in. Claire Lee Chennault commanded the 1st American Volunteer Group (nicknamed the Flying Tigers), with American pilots flying American warplanes which were painted with the Chinese flag to attack the Japanese. He headed both the volunteer group and the uniformed U.S. Army Air Forces units that replaced it in 1942. However, it was the Soviets that provided the greatest material help for China from 1937 into 1941, with fighter aircraft for the Nationalist Chinese Air Force and artillery and armour for the Chinese Army through the Sino-Soviet Non-Aggression Pact, Sino-Soviet Treaty; Operation Zet also provided for a group of Soviet volunteer combat aviators to join the Chinese Air Force in the fight against the Japanese occupation from late 1937 through 1939. The United States embargoed Japan in 1941 depriving it of shipments of oil and various other resources necessary to continue the war in China. This pressure, which was intended to disparage a continuation of the war and bring Japan into negotiation, resulted in the Attack on Pearl Harbor and Japan's drive south to procure from the resource-rich European colonies in Southeast Asia by force the resources which the United States had denied to them. Almost immediately, Chinese troops achieved another decisive victory in the Battle of Changsha (1942), Battle of Changsha, which earned the Chinese government much prestige from the Western Allies. President Franklin D. Roosevelt referred to the United States, United Kingdom, Soviet Union and China as the world's "Four Policemen"; his primary reason for elevating China to such a status was the belief that after the war it would serve as a bulwark against the Soviet Union. Knowledge of Japanese naval movements in the Pacific was provided to the American Navy by the Sino-American Cooperative Organization (SACO) which was run by the Chinese intelligence head Dai Li. Philippine and Japanese ocean weather was affected by weather originating near northern China. The base of SACO was located in Yangjiashan. Chiang Kai-shek continued to receive supplies from the United States. However, in contrast to the Pacific Route, Arctic supply route to the Soviet Union which stayed open through most of the war, sea routes to China and the Yunnan–Vietnam Railway had been closed since 1940. Therefore, between the Japanese conquest of Burma, closing of the Burma Road in 1942 and its re-opening as the
Ledo Road The Ledo Road () was an overland connection between British India and China, built during World War II to enable the Western Allies to deliver supplies to China and aid the war effort against Japan. After the Japanese cut off the Burma Ro ...
in 1945, foreign aid was largely limited to what could be flown in over "The Hump". In Burma, on 16 April 1942, 7,000 British soldiers were encircled by the Japanese 33rd Division during the Battle of Yenangyaung and rescued by the Chinese 38th Division. After the Doolittle Raid, the Imperial Japanese Army conducted a massive sweep through Zhejiang and Jiangxi, now known as the Zhejiang-Jiangxi Campaign, with the goal of finding the surviving American airmen, applying retribution on the Chinese who aided them and destroying air bases. The operation started 15 May 1942, with 40 infantry battalions and 15–16 artillery battalions but was repelled by Chinese forces in September. During this campaign, the Imperial Japanese Army left behind a trail of devastation and also spread cholera, typhoid, Plague (disease), plague and dysentery pathogens. Chinese estimates allege that as many as 250,000 civilians, the vast majority of whom were destitute Tanka boat people and other pariah ethnicities unable to flee, may have died of disease. It caused more than 16 million civilians to evacuate far away deep inward China. 90% of Ningbo's population had already fled before battle started. Most of China's industry had already been captured or destroyed by Japan, and the Soviet Union refused to allow the United States to supply China through the Kazakh Soviet Socialist Republic, Kazakhstan into Xinjiang as the Xinjiang warlord Sheng Shicai had turned anti-Soviet in 1942 with Chiang's approval. For these reasons, the Chinese government never had the supplies and equipment needed to mount major counter-offensives. Despite the severe shortage of matériel, in 1943, the Chinese were successful in repelling major Japanese offensives Battle of West Hubei, in Hubei and Battle of Changde, Changde. Chiang was named Allied commander-in-chief in the China theater in 1942. American general Joseph Stilwell served for a time as Chiang's chief of staff, while simultaneously commanding American forces in the China-Burma-India Theater. For many reasons, relations between Stilwell and Chiang soon broke down. Many historians (such as Barbara W. Tuchman) have suggested it was largely due to the corruption and inefficiency of the Kuomintang government, while others (such as Ray Huang and Hans van de Ven) have depicted it as a more complicated situation. Stilwell had a strong desire to assume total control of Chinese troops and pursue an aggressive strategy, while Chiang preferred a patient and less expensive strategy of out-waiting the Japanese. Chiang continued to maintain a defensive posture despite Allied pleas to actively break the Japanese blockade, because China had already suffered tens of millions of war casualties and believed that Japan would eventually capitulate in the face of America's overwhelming industrial output. For these reasons the other Allies gradually began to lose confidence in the Chinese ability to conduct offensive operations from the Asian mainland, and instead concentrated their efforts against the Japanese in the Pacific Ocean Areas and South West Pacific theatre of World War II, South West Pacific Area, employing an island hopping strategy. Long-standing differences in national interest and political stance among China, the United States, and the United Kingdom remained in place. British Prime Minister Winston Churchill was reluctant to devote British troops, many of whom had been routed by the Japanese in earlier campaigns, to the reopening of the Burma Road; Stilwell, on the other hand, believed that reopening the road was vital, as all China's mainland ports were under Japanese control. The Allies' "Europe first" policy did not sit well with Chiang, while the later British insistence that China send more and more troops to Indochina for use in the Burma Campaign was seen by Chiang as an attempt to use Chinese manpower to defend British colonial possessions. Chiang also believed that China should divert its crack army divisions from Burma to eastern China to defend the airbases of the American bombers that he hoped would defeat Japan through bombing, a strategy that American general Claire Lee Chennault supported but which Stilwell strongly opposed. In addition, Chiang voiced his support of the Indian independence movement in a 1942 meeting with Mohandas Gandhi, which further soured the relationship between China and the United Kingdom. American and Canadian-born Chinese were recruited to act as covert operatives in Japanese-occupied China. Employing their racial background as a disguise, their mandate was to blend in with local citizens and wage a campaign of sabotage. Activities focused on destruction of Japanese transportation of supplies (signaling bomber destruction of railroads, bridges). Chinese forces Battle of Northern Burma and Western Yunnan, advanced to northern Burma in late 1943, besieged Japanese troops in Myitkyina, and Battle of Mount Song, captured Mount Song. The British and Commonwealth forces had their operation in Mission 204 which attempted to provide assistance to the Chinese Nationalist Army. The first phase in 1942 under command of Special Operations Executive, SOE achieved very little, but lessons were learned and a second more successful phase, commenced in February 1943 under British Military command, was conducted before the Japanese
Operation Ichi-Go Operation Ichi-Go () was a campaign of a series of major battles between the Imperial Japanese Army forces and the National Revolutionary Army of the Republic of China, fought from April to December 1944. It consisted of three separate battles in ...
offensive in 1944 compelled evacuation.


1944 and Operation Ichi-Go

In 1944, the Communists launched counteroffensives from the liberated areas against Japanese forces. Japan's 1944
Operation Ichi-Go Operation Ichi-Go () was a campaign of a series of major battles between the Imperial Japanese Army forces and the National Revolutionary Army of the Republic of China, fought from April to December 1944. It consisted of three separate battles in ...
was the largest military campaign of the Second Sino-Japanese War. The campaign mobilized 500,000 Japanese troops, 100,000 horses, 1,500 artillery pieces, and 800 tanks. The 750,000 casualty figure for Nationalist Chinese forces are not all dead and captured, Cox included in the 750,000 casualties that China incurred in Ichigo soldiers who simply "melted away" and others who were rendered combat ineffective besides killed and captured soldiers.Cox, 1980 pp. 2
Retrieved 9 March 2016
In late November 1944, the Japanese advance slowed approximately 300 miles from Chongqing as it experienced shortages of trained soldiers and materiel. Although Operation Ichi-Go achieved its goals of seizing United States air bases and establishing a potential railway corridor from Manchukuo to Hanoi, it did so too late to impact the result of the broader war. American bombers in Chengdu were moved to the Mariana Islands where, along with bombers from bases in Saipan and Tinian, they could still bomb the Japanese home islands. After Operation Ichigo, Chiang Kai-shek started a plan to withdraw Chinese troops from the Burma theatre against Japan in Southeast Asia for a counter offensive called "White Tower" and "Iceman" against Japanese soldiers in China in 1945. The poor performance of Chiang Kai-shek's forces in opposing the Japanese advance during Operation Ichigo became widely viewed as demonstrating Chiang's incompetence. It irreparably damaged the Roosevelt administration's view of Chiang and the KMT. The campaign further weakened the Nationalist economy and government revenues. Because of the Nationalists' increasing inability to fund the military, Nationalist authorities overlooked military corruption and smuggling. The Nationalist army increasingly turned to raiding villages to press-gang peasants into service and force marching them to assigned units. Approximately 10% of these peasants died before reaching their units. By the end of 1944, Chinese troops under the command of Sun Li-jen attacking from India, and those under Wei Lihuang attacking from Yunnan, joined forces in Mong-Yu, successfully driving the Japanese out of North Burma and securing the Ledo Road, China's vital supply artery. In Spring 1945 the Chinese launched offensives that retook Battle of West Hunan, Hunan and Second Guangxi Campaign, Guangxi. With the Chinese army progressing well in training and equipment, Wedemeyer planned to launch Operation Carbonado in summer 1945 to retake Guangdong, thus obtaining a coastal port, and from there drive northwards toward Shanghai. However, the
atomic bombings of Hiroshima and Nagasaki On 6 and 9 August 1945, the United States detonated two atomic bombs over the Japanese cities of Hiroshima and Nagasaki, respectively, during World War II. The aerial bombings killed between 150,000 and 246,000 people, most of whom were civili ...
and Soviet invasion of Manchuria hastened Japanese surrender and these plans were not put into action.


Chinese industrial base and the CIC


Foreign aid

Before the start of full-scale warfare of the Second Sino-Japanese War, Germany had since the time of the Weimar Republic, provided much equipment and training to crack units of the National Revolutionary Army of China, including some aerial-combat training with the ''Luftwaffe'' to some pilots of the pre-Nationalist Air Force of China. A number of foreign powers, including the Americans, Italians and Japanese, provided training and equipment to different air force units of pre-war China. With the outbreak of full-scale war between China and the Empire of Japan, the Soviet Union became the primary supporter for China's ''war of resistance'' through the Sino-Soviet Non-Aggression Pact from 1937 to 1941. When the Imperial Japanese invaded French Indochina, the United States enacted the Oil embargo, oil and steel embargo against Japan and froze all Japanese assets in 1941, and with it came the
Lend-Lease Act Lend-Lease, formally the Lend-Lease Act and introduced as An Act to Promote the Defense of the United States (),
of which China became a beneficiary on 6 May 1941; from there, China's main diplomatic, financial and military support came from the U.S., particularly following the attack on Pearl Harbor''.''


Overseas Chinese

Over 3,200 overseas Chinese drivers and motor vehicle mechanics embarked to wartime China to support military and logistics supply lines, especially through Indo-China, which became of absolute tantamount importance when the Japanese cut-off all ocean-access to China's interior with the capture of Nanning after the Battle of South Guangxi. Overseas Chinese communities in the U.S. raised money and nurtured talent in response to Imperial Japan's aggressions in China, which helped to fund an entire squadron of Boeing P-26 fighter planes purchased for the looming war situation between China and the Empire of Japan; over a dozen Chinese-American aviators, including John Huang Xinrui, John "Buffalo" Huang, Arthur Chin, Hazel Ying Lee, Jurong airfield, Chan Kee-Wong et al., formed the original contingent of foreign volunteer aviators to join the Chinese air forces (some provincial or warlord air forces, but ultimately all integrating into the centralized Chinese Air Force; often called the ''Nationalist Air Force of China'') in the "patriotic call to duty for the motherland" to fight against the Imperial Japanese invasion. Several of the original Chinese-American volunteer pilots were sent to Lechfeld Air Base, Lagerlechfeld Air Base in Germany for aerial-gunnery training by the Chinese Air Force in 1936.


German

Prior to the war, Germany and China were in close economic and military cooperation, with Germany helping China modernize its industry and military in exchange for raw materials. Germany sent military advisers such as Alexander von Falkenhausen to China to help the KMT government reform its armed forces. List of German-trained divisions of the National Revolutionary Army, Some divisions began training to German standards and were to form a relatively small but well trained Chinese Central Army. By the mid-1930s about 80,000 soldiers had received German-style training. After the KMT lost Nanjing and retreated to Wuhan, Hitler's government decided to withdraw its support of China in 1938 in favour of an alliance with Japan as its main anti-Communist partner in East Asia.


Soviet

After Germany and Japan signed the anti-communist Anti-Comintern Pact, the Soviet Union hoped to keep China fighting, in order to deter a Kantokuen, Japanese invasion of Siberia and save itself from a two-front war. In September 1937, they signed the Sino-Soviet Non-Aggression Pact and approved Operation Zet, the formation of a secret Soviet Volunteer Group, Soviet volunteer air force, in which Soviet technicians upgraded and ran some of China's transportation systems. Bombers, Fighter aircraft, fighters, supplies and advisors arrived, headed by Aleksandr Cherepanov. Prior to the Western Allies, the Soviets provided the most foreign aid to China: some $250 million in credits for munitions and other supplies. The Soviet Union defeated Japan in the Battles of Khalkhin Gol in May – September 1939, leaving the Japanese reluctant to fight the Soviets again. In April 1941, Soviet aid to China ended with the Soviet–Japanese Neutrality Pact and the beginning of the Great Patriotic War. This pact enabled the Soviet Union to avoid fighting against Germany and Japan at the same time. In August 1945, the Soviet Union annulled the neutrality pact with Japan and invaded Manchuria, Inner Mongolia, the Kuril Islands, and northern Korea. The Soviets also continued to support the Chinese Communist Party. In total, 3,665 Soviet advisors and pilots served in China, and 227 of them died fighting there. The Soviet Union provided financial aid to both the Communists and the Nationalists.


United States

The United States generally avoided taking sides between Japan and China until 1940, providing virtually no aid to China in this period. For instance, the 1934 Silver Purchase Act signed by President Roosevelt caused chaos in China's economy which helped the Japanese war effort. The 1933 Wheat and Cotton Loan mainly benefited American producers, while aiding to a smaller extent both Chinese and Japanese alike. This policy was due to US fear of breaking off profitable trade ties with Japan, in addition to US officials and businesses perception of China as a potential source of massive profit for the US by absorbing surplus American products, as William Appleman Williams states. From December 1937, events such as the Panay incident, Japanese attack on USS ''Panay'' and the
Nanjing Massacre The Nanjing Massacre, or the Rape of Nanjing (formerly Chinese postal romanization, romanized as ''Nanking'') was the mass murder of Chinese civilians, noncombatants, and surrendered prisoners of war by the Imperial Japanese Army in Nanji ...
swung public opinion in the West sharply against Japan and increased their fear of Japanese expansion, which prompted the United States, the United Kingdom, and French Third Republic, France to provide loan assistance for war supply contracts to Republic of China (1912–1949), China. Australia also prevented a Japanese government-owned company from taking over an iron mine in Australia, and banned iron ore exports in 1938. However, in July 1939, negotiations between Japanese Foreign Minister Arita Khatira and the British Ambassador in Tokyo, Robert Craigie (diplomat), Robert Craigie, led to an agreement by which the United Kingdom recognized Japanese conquests in China. At the same time, the US government extended a trade agreement with Japan for six months, then fully restored it. Under the agreement, Japan purchased trucks for the Kwantung Army, machine tools for aircraft factories, strategic materials (steel and scrap iron up to 16 October 1940, petrol and petroleum products up to 26 June 1941), and various other much-needed supplies. In a hearing before the United States Congress House of Representatives Committee on Foreign Affairs on Wednesday, 19 April 1939, the acting chairman Sol Bloom and other Congressmen interviewed Maxwell S. Stewart, a former Foreign Policy Association research staff and economist who charged that America's Neutrality Act and its "neutrality policy" was a massive farce which only benefited Japan and that Japan did not have the capability nor could ever have invaded China without the massive amount of raw material America exported to Japan. America exported far more raw material to Japan than to China in the years 1937–1940. According to the United States Congress, the U.S.'s third largest export destination was Japan until 1940 when France overtook it due to France being at war too. Japan's military machine acquired war materials, automotive equipment, steel, scrap iron, copper, oil, that it wanted from the United States in 1937–1940 and was allowed to purchase aerial bombs, aircraft equipment, and aircraft from America up to the summer of 1938. A 1934 U.S. State Department memo even noted how Japan's business dealings with Standard Oil of New Jersey company, under the leadership of Walter Teagle, made United States oil the "major portion of the petroleum and petroleum products now imported into Japan." War essentials exports from the United States to Japan increased by 124% along with a general increase of 41% of all American exports from 1936 to 1937 when Japan invaded China. Japan's war economy was fueled by exports to the United States at over twice the rate immediately preceding the war. According to the U.S. Department of Commerce, Japan corresponded to the following share of American exports. Japan invaded and occupied the northern part of French Indochina in September 1940 to prevent China from receiving the 10,000 tons of materials delivered monthly by the Allies via the Haiphong–Yunnan Fou Railway line. On 22 June 1941, Germany attacked the Soviet Union. In spite of non-aggression pacts or trade connections, Hitler's assault threw the world into a frenzy of re-aligning political outlooks and strategic prospects. On 21 July, Japan occupied the southern part of French Indochina (southern Vietnam and Cambodia), contravening a 1940 gentlemen's agreement not to move into southern French Indochina. From bases in Cambodia and southern Vietnam, Japanese planes could attack Malaya, Singapore, and the Dutch East Indies. As the Japanese occupation of northern French Indochina in 1940 had already cut off supplies from the West to China, the move into southern French Indochina was viewed as a direct threat to British and Dutch colonies. Many principal figures in the Japanese government and military (particularly the navy) were against the move, as they foresaw that it would invite retaliation from the West. On 24 July 1941, Roosevelt requested Japan withdraw all its forces from Indochina. Two days later the US and the UK began an oil embargo; two days after that the Netherlands joined them. This was a decisive moment in the Second Sino-Japanese War. The loss of oil imports made it impossible for Japan to continue operations in China on a long-term basis. It set the stage for Japan to launch a series of military attacks against the Allies, including the attack on Pearl Harbor on 7 December 1941. In mid-1941, the United States government financed the creation of the American Volunteer Groups (AVG), of which one the "Flying Tigers" reached China, to replace the withdrawn Soviet volunteers and aircraft. The Flying Tigers did not enter actual combat until after the United States had declared war on Japan. Led by Chennault, their early combat success of 300 kills against a loss of 12 of their newly introduced Curtiss P-40 Warhawk fighters heavily armed with six M2 Browning, 0.50-inch caliber machine guns and very fast diving speeds earned them wide recognition at a time when the Chinese Air Force and Allies in the Pacific and SE Asia were suffering heavy losses, and soon afterwards their "boom and zoom" high-speed hit-and-run air combat tactics would be adopted by the
United States Army Air Forces The United States Army Air Forces (USAAF or AAF) was the major land-based aerial warfare service component of the United States Army and ''de facto'' aerial warfare service branch of the United States during and immediately after World War II ...
. Disagreements existed both between the United States and the Nationalists, and within the United States military, about the form of aid. Chennault contended that aid should be in the form of building on the success of the Flying Tigers and go to the US Fourteenth Air Force in China. Lieutenant General Joseph Stilwell, who was in charge of training Nationalist divisions equipped by the United States, became increasingly frustrated by the Nationalists' refusal to use them to fight the Japanese in Burma or in southeastern China. The Sino-American Cooperative Organization was an organization created by the SACO Treaty signed by the Republic of China and the United States of America in 1942 that established a mutual intelligence gathering entity in China between the respective nations against Japan. It operated in China jointly along with the Office of Strategic Services (OSS), America's first intelligence agency and forerunner of the CIA while also serving as joint training program between the two nations. Among all the wartime missions that Americans set up in China, SACO was the only one that adopted a policy of "total immersion" with the Chinese. The "Rice Paddy Navy" or "What-the-Hell Gang" operated in the China-Burma-India theater, advising and training, forecasting weather and scouting landing areas for USN fleet and Gen Claire Chennault's 14th AF, rescuing downed American flyers, and intercepting Japanese radio traffic. An underlying mission objective during the last year of war was the development and preparation of the China coast for Allied penetration and occupation. Fujian was scouted as a potential staging area and springboard for the future military landing of the Allies of World War II in Japan.


United Kingdom

After the Tanggu Truce of 1933, Chiang Kai-Shek and the British government would have more friendly relations but were uneasy due to British foreign concessions there. During the Second Sino-Japanese War the British government would initially have an impartial viewpoint toward the conflict urging both to reach an agreement and prevent war. British public opinion would swing in favor of the Chinese after Hughe Knatchbull-Hugessen's car which had Union Jacks on it was attacked by Japanese aircraft with Hugessen being temporarily paralyzed with outrage against the attack from the public and government. The British public were largely supportive of the Chinese and many relief efforts were untaken to help China. Britain at this time was beginning the process of rearmament and the sale of military surplus was banned but there was never an embargo on private companies shipping arms. A number of unassembled Gloster Gladiator fighters were imported to China via Hong Kong for the Chinese Air Force. Between July 1937 and November 1938 on average 60,000 tons of munitions were shipped from Britain to China via Hong Kong. Attempts by the United Kingdom and the United States to do a joint intervention were unsuccessful as both countries had rocky relations in the interwar era. In February 1941 a Sino-British agreement was forged whereby British troops would assist the Chinese "Surprise Troops" units of guerrillas already operating in China, and China would assist Britain in Burma. When Battle of Hong Kong, Hong Kong was overrun in December 1941, the British Army Aid Group (B.A.A.G.) was set up and headquartered in Guilin, Guangxi. Its aim was to assist prisoners of war and internees to escape from Japanese camps. This led to the formation of the Hong Kong Volunteer Company which later fought in Burma. B.A.A.G. also sent agents to gather intelligence – military, political and economic in Southern China, as well as giving medical and humanitarian assistance to Chinese civilians and military personnel. A British-Australian commando operation, Mission 204 (''Tulip Force''), was initialized to provide training to Chinese guerrilla troops. The mission conducted two operations, mostly in the provinces of Yunnan and Jiangxi. The first operation commenced in February 1942 from Burma on a long journey to the Chinese front. Due to issues with supporting the Chinese and gradual disease and supply issues, the first phase achieved very little and the unit was withdrawn in September. Another phase was set up with lessons learned from the first. Commencing in February 1943 this time valid assistance was given to the Chinese 'Surprise Troops' in various actions against the Japanese. These involved ambushes, attacks on airfields, blockhouses, and supply depots. The unit operated successfully before withdrawal in November 1944. Commandos and members of Special Operations Executive, SOE who had formed Force 136, worked with the Free Thai Movement who also operated in China, mostly while on their way into Thailand in World War II, Thailand. After the Japanese blocked the Burma Road in April 1942, and before the
Ledo Road The Ledo Road () was an overland connection between British India and China, built during World War II to enable the Western Allies to deliver supplies to China and aid the war effort against Japan. After the Japanese cut off the Burma Ro ...
was finished in early 1945, the majority of US and British supplies to the Chinese had to be delivered via airlift over the eastern end of the Himalayas known as "The Hump". Flying over the Himalayas was extremely dangerous, but the airlift continued daily to August 1945, at great cost in men and aircraft.


French Indochina

The Chinese Kuomintang also supported the Vietnamese Việt Nam Quốc Dân Đảng (VNQDD) in its battle against French and Japanese imperialism. In Guangxi, Chinese military leaders were organizing Vietnamese nationalists against the Japanese. The VNQDD had been active in Guangxi and some of their members had joined the KMT army. Under the umbrella of KMT activities, a broad alliance of nationalists emerged. With Ho at the forefront, the Viet Minh, Viet Nam Doc Lap Dong Minh Hoi (Vietnamese Independence League, usually known as the Viet Minh) was formed and based in the town of Jingxi, Guangxi, Jingxi. The pro-VNQDD nationalist Ho Ngoc Lam, a KMT army officer and former disciple of Phan Bội Châu, was named as the deputy of Phạm Văn Đồng, later to be Ho's Prime Minister. The front was later broadened and renamed the Viet Nam Giai Phong Dong Minh (Vietnam Liberation League). The Viet Nam Revolutionary League was a union of various Vietnamese nationalist groups, run by the pro Chinese VNQDD. Chinese KMT General Zhang Fakui created the league to further Chinese influence in Indochina, against the French and Japanese. Its stated goal was for unity with China under the Three Principles of the People, created by KMT founder Dr. Sun and opposition to Japanese and French Imperialists. The Revolutionary League was controlled by Nguyen Hai Than, who was born in China and could not speak Vietnamese. General Zhang shrewdly blocked the Communists of Vietnam, and Ho Chi Minh from entering the league, as Zhang's main goal was Chinese influence in Indochina. The KMT utilized these Vietnamese nationalists during World WarII against Japanese forces. Franklin D. Roosevelt, through General Stilwell, privately made it clear that they preferred that the French not reacquire French Indochina (modern day Vietnam, Cambodia, and Laos) after the war was over. Roosevelt offered Chiang Kai-shek control of all of Indochina. It was said that Chiang Kai-shek replied: "Under no circumstances!" After the war, 200,000 Chinese troops under General Lu Han (general), Lu Han were sent by Chiang Kai-shek to northern Indochina (north of the 16th parallel) to accept the surrender of Japanese occupying forces there, and remained in Indochina until 1946, when the French returned. The Chinese used the VNQDD, the Vietnamese branch of the Chinese Kuomintang, to increase their influence in French Indochina and to put pressure on their opponents. Chiang Kai-shek threatened the French with war in response to maneuvering by the French and Ho Chi Minh's forces against each other, forcing them to come to a peace agreement. In February 1946, he also forced the French to surrender all of their concessions in China and to renounce their extraterritorial privileges in exchange for the Chinese withdrawing from northern Indochina and allowing French troops to reoccupy the region. Following France's agreement to these demands, the withdrawal of Chinese troops began in March 1946.


Central Asian rebellions

In 1937, then pro-Soviet General Sheng Shicai Xinjiang War (1937), invaded Dunganistan accompanied by Soviet troops to defeat General Ma Hushan of the 36th Division (National Revolutionary Army), KMT 36th Division. General Ma expected help from Nanjing, but did not receive it. The Nationalist government was forced to deny these maneuvers as "Japanese propaganda", as it needed continued military supplies from the Soviets. As the war went on, Nationalist General Ma Buqing was in virtual control of the Gansu corridor. Ma had earlier fought against the Japanese, but because the Soviet threat was great, Chiang in July 1942 directed him to move 30,000 of his troops to the Tsaidam marsh in the Qaidam Basin of Qinghai. Chiang further named Ma as Reclamation Commissioner, to threaten Sheng's southern flank in Xinjiang, which bordered Tsaidam. The Ili Rebellion broke out in Xinjiang when the Kuomintang Hui Officer Liu Bin-Di was killed while fighting Turkic Uyghur rebels in November 1944. The Soviet Union supported the Turkic rebels against the Kuomintang, and Kuomintang forces fought back.


Ethnic minorities

Japan attempted to reach out to Chinese ethnic minorities in order to rally them to their side against the Han Chinese, but only succeeded with certain Manchu, Mongol, Uyghurs, Uyghur, and Tibetan people, Tibetan elements. The Japanese attempt to get the Muslim Hui people on their side failed, as many Chinese generals such as Bai Chongxi, Ma Hongbin, Ma Hongkui, and Ma Bufang were Hui. The Japanese attempted to approach Ma Bufang but were unsuccessful in making any agreement with him. Ma Bufang ended up supporting the anti-Japanese Imam Hu Songshan, who prayed for the destruction of the Japanese. Ma became chairman (governor) of Qinghai in 1938 and commanded a group army. He was appointed because of his anti-Japanese inclinations, and was such an obstruction to Japanese agents trying to contact the Tibetans that he was called an "adversary" by a Japanese agent.


Hui Muslims

Hui cemeteries were destroyed for military reasons. Many Hui fought in the war against the Japanese such as Bai Chongxi, Ma Hongbin, Ma Hongkui, Ma Bufang, Ma Zhanshan, Ma Biao, Ma Zhongying, Ma Buqing and Ma Hushan. Qinghai Tibetans served in the Qinghai army against the Japanese. The Qinghai Tibetans view the Tibetans of Central Tibet (Tibet proper, ruled by the Dalai Lamas from Lhasa) as distinct and different from themselves, and even take pride in the fact that they were not ruled by Lhasa ever since the collapse of the Tibetan Empire. Xining was subjected to aerial bombardment by Japanese warplanes in 1941, causing all ethnicities in Qinghai to unite against the Japanese. General Han Youwen directed the defense of the city of Xining during air raids by Japanese planes. Han survived an aerial bombardment by Japanese planes in Xining while he was being directed via telephone by Ma Bufang, who hid in an air-raid shelter in a military barracks. The bombing resulted in Han being buried in rubble, though he was later rescued. John Scott reported in 1934 that there was both strong anti-Japanese feeling and anti-Bolshevik among the Muslims of Gansu and he mentioned the Muslim generals Ma Fuxiang, Ma Qi, Ma Anliang and Ma Bufang who was chairman of Qinghai province when he stayed in Xining.


Conclusion and aftermath


End of the Pacific War and the surrender of Japanese troops in China

During the Second Sino-Japanese War, the Japanese had consistent tactical successes but failed to achieve strategic results. Although it seized the majority of China's industrial capacity, occupied most major cities, and rarely lost a battle, Japan's occupation of China was costly. Japan had approximately 50,000 military fatalities each year and 200,000 wounded per year. In less than two weeks the
Kwantung Army The Kwantung Army (Japanese language, Japanese: 関東軍, ''Kantō-gun'') was a Armies of the Imperial Japanese Army, general army of the Imperial Japanese Army from 1919 to 1945. The Kwantung Army was formed in 1906 as a security force for th ...
, which was the primary Japanese fighting force, consisting of over a million men but lacking in adequate armour, artillery, or air support, had been destroyed by the Soviets. Japanese Emperor Hirohito officially Surrender of Japan, capitulated to the Allies on 15 August 1945. The official surrender was signed aboard the battleship on 2 September 1945, in a ceremony where several Allied commanders including Chinese general Hsu Yung-chang were present. After the Allied victory in the Pacific, General Douglas MacArthur ordered all Japanese forces within China (excluding
Manchuria Manchuria is a historical region in northeast Asia encompassing the entirety of present-day northeast China and parts of the modern-day Russian Far East south of the Uda (Khabarovsk Krai), Uda River and the Tukuringra-Dzhagdy Ranges. The exact ...
), Taiwan and French Indochina north of 16° north latitude to surrender to Chiang Kai-shek, and the Japanese troops in China formally surrendered on 9 September 1945, at 9:00.Act of Surrender, 9 September 1945
(page visited on 3 September 2015).
The ninth hour of the ninth day of the ninth month was chosen in echo of the Armistice of 11 November 1918 (on the eleventh hour of the eleventh day of the eleventh month) and because "nine" is a Numbers in Chinese culture#Nine, homophone of the word for "long lasting" in Chinese (to suggest that the peace won would last forever). Chiang relied on American help in transporting Nationalist troops to regain control of formerly Japanese-occupied areas. Non-Chinese generally viewed the behavior of these troops as undercutting Nationalist legitimacy, and these troops engaged in corruption and looting, leading to widespread views of a "botched liberation". The Nationalist government seized Japanese-held businesses at the time of the Japanese surrender. The Nationalist government made little effort to return these businesses to their original Chinese owners. A mechanism existed through which Chinese and foreign owners could petition for the return of their former property. In practice, the Nationalist government and its officials retained a great deal of the seized property and embezzling property, particularly from warehouses, was common. Nationalist officials sometimes extorted money from individuals in liberated territories under threat of labeling them as Japanese collaborators. Chiang's focus on his communist opponents prompted him to leave Japanese troops or troops of the Japanese puppet regimes to remain on duty in occupied areas so as to avoid their surrender to Communist forces.


Post-war struggle and resumption of the civil war

In 1945, China emerged from the war nominally a great military power but economically weak and on the verge of all-out civil war. The economy was sapped by the military demands of a long costly war and internal strife, by spiraling inflation, and by corruption in the Nationalist government that included profiteering, speculation and hoarding. The poor performance of Nationalist forces opposing the Ichi-go campaign was largely viewed as reflecting poorly on Chiang's competence. Chiang blamed the failure on the United States, particularly Stilwell, who had used Chinese forces in the Burma Campaign and in Chiang's view, left China insufficiently defended. As part of the Yalta Conference, which allowed a Soviet sphere of influence in Manchuria, the Soviets dismantled and removed more than half of the industrial equipment left there by the Japanese before handing over Manchuria to China. Large swathes of the prime farming areas had been ravaged by the fighting and there was starvation and famine in the wake of the war. Many towns and cities were destroyed, and millions were rendered homeless by floods. The problems of rehabilitation and reconstruction after the ravages of a protracted war were staggering, and the war left the Nationalists severely weakened, and their policies left them unpopular. Meanwhile, the war strengthened the Communists both in popularity and as a viable fighting force. At Yan'an and elsewhere in the communist controlled areas, Mao Zedong was able to adapt Marxism–Leninism to Chinese conditions. He taught party cadres to lead the masses by living and working with them, eating their food, and thinking their thoughts. In Japanese-occupied areas, the Communists had established military and political bases from which it carried out guerilla warfare. The Communists built popular support in these areas, returning land to poor peasants, reducing peasant's rent, and arming the people. By Spring 1945, there were 19 Communist-governed areas in China in which 95 million people lived. In Fall 1945, the Communist armies had 1.27 million men and were supported by 2.68 million militia members. Mao also began to execute his plan to establish a new China by rapidly moving his forces from Yan'an and elsewhere to Manchuria. This opportunity was available to the Communists because although Nationalist representatives were not invited to Yalta, they had been consulted and had agreed to the Soviet invasion of Manchuria in the belief that the Soviet Union would cooperate only with the Nationalist government after the war. However, the Soviet occupation of Manchuria was long enough to allow the Communist forces to move in en masse and arm themselves with the military hardware surrendered by the Imperial Japanese Army, quickly establish control in the countryside and move into position to encircle the Nationalist government army in major cities of northeast China. Following that, the Chinese Civil War broke out between the Nationalists and Communists, which concluded with the Communist victory in mainland China and the retreat of the Nationalists to Taiwan in 1949.


Aftermath

The Nationalists suffered higher casualties because they were the main combatants opposing the Japanese in each of the 22 major battles (involving more than 100,000 troops on both sides) between China and Japan. The Communist forces, by contrast, usually avoided pitched battles with the Japanese, in which their guerrilla tactics were less effective, and generally limited their combat to guerrilla actions (the Hundred Regiments Offensive and the Battle of Pingxingguan are notable exceptions). The Nationalists committed their strongest divisions in early battle against the Japanese (including the 36th, 87th, 88th divisions, the crack divisions of Chiang's Central Army) to defend Shanghai and continued to deploy most of their forces to fight the Japanese even as the Communists changed their strategy to engage mainly in a political offensive against the Japanese while declaring that the CCP should "save and preserve our strength and wait for favourable timing" by the end of 1941.


Legacy


China-Japan relations

Today, the war is a major point of contention and resentment between China and Japan. The war remains a major roadblock for Sino-Japanese relations. Issues regarding the current historical outlook on the war exist. For example, the Japanese government has been accused of historical revisionism by allowing the approval of a few Japanese textbook controversy, school textbooks omitting or glossing over Japan's militant past, although the most recent controversial book, the ''New History Textbook'' was used by only 0.039% of junior high schools in Japan and despite the efforts of the Japanese nationalist textbook reformers, by the late 1990s the most common Japanese schoolbooks contained references to, for instance, the Nanjing Massacre, Unit 731, and the comfort women of World WarII, all historical issues which have faced challenges from ultranationalists in the past. In 2005, a history textbook prepared by the Japanese Society for History Textbook Reform which had been approved by the government in 2001, sparked huge outcry and protests in China and Korea. It referred to the Nanjing Massacre and other atrocities such as the Manila massacre as an "incident", glossed over the issue of comfort women, and made only brief references to the death of Chinese soldiers and civilians in Nanjing. A copy of the 2005 version of a junior high school textbook titled ''New History Textbook'' found that there is no mention of the "Nanjing Massacre" or the "Nanjing Incident". Indeed, the only one sentence that referred to this event was: "they [the Japanese troops] occupied that city in December".


Taiwan

Taiwan and the Penghu islands were put under the administrative control of the Republic of China (ROC) government in 1945 by the United Nations Relief and Rehabilitation Administration.World Directory of Minorities and Indigenous Peoples – Taiwan : Overview
United Nations High Commission for Refugees
The ROC proclaimed Taiwan Retrocession Day on 25 October 1945. However, due to the unresolved Chinese Civil War, neither the newly established People's Republic of China in mainland China nor the Nationalist ROC that retreated to Taiwan was invited to sign the Treaty of San Francisco, as neither had shown full and complete legal capacity to enter into an international legally binding agreement. Since China was not present, the Japanese only formally renounced the territorial sovereignty of Taiwan and Penghu islands without specifying to which country Japan relinquished the sovereignty, and the treaty was signed in 1951 and came into force in 1952. In 1952, the
Treaty of Taipei The Sino-Japanese Peace Treaty ( zh, t=中日和平條約; ), formally the Treaty of Peace between the Republic of China and Japan ( zh, t=中華民國與日本國間和平條約, links=no; ) and commonly known as the Treaty of Taipei ( zh, t= ...
was signed separately between the ROC and Japan that basically followed the same guideline of the Treaty of San Francisco, not specifying which country has sovereignty over Taiwan. However, Article 10 of the treaty states that the Taiwanese people and the juridical person should be the people and the juridical person of the ROC. Both the PRC and ROC governments base their claims to Taiwan on the Japanese Instrument of Surrender which specifically accepted the Potsdam Declaration which refers to the 1943 Cairo Declaration, Cairo Declaration. Disputes over the precise de jure sovereign of Taiwan persist to the present. On a de facto basis, sovereignty over Taiwan has been and continues to be exercised by the ROC. Japan's position has been to avoid commenting on Taiwan's status, maintaining that Japan renounced all claims to sovereignty over its former colonial possessions after World WarII, including Taiwan. Traditionally, the Republic of China government has held celebrations marking the Victory Day on 9 September (now known as Armed Forces Day) and Taiwan's Retrocession Day on 25 October. However, after the Democratic Progressive Party (DPP) won the 2000 Republic of China presidential election, presidential election in 2000, these national holidays commemorating the war have been cancelled as the Taiwan Independence, pro-independent DPP does not see the relevancy of celebrating events that happened in mainland China. Meanwhile, many KMT supporters, particularly veterans who retreated with the government in 1949, still have an emotional interest in the war. For example, in celebrating the 60th anniversary of the end of war in 2005, the cultural bureau of KMT stronghold Taipei held a series of talks in the Sun Yat-sen Memorial Hall regarding the war and post-war developments, while the KMT held its own exhibit in the KMT headquarters. Whereas the KMT won the 2008 Republic of China presidential election, presidential election in 2008, the ROC government resumed commemorating the war.


Japanese women left in China

Several thousand Japanese who were sent as colonizers to Manchukuo and Inner Mongolia were left behind in China. The majority of these were women, and they married mostly Chinese men and became known as "stranded war wives" (zanryu fujin).


Korean women left in China

In China some Korean comfort women stayed behind instead of going back to their native land. Most Korean comfort women who were left behind in China married Chinese men.


Commemorations

Three major museums in China commemorate China's War of Resistance, including the Museum of the War of Chinese People's Resistance Against Japanese Aggression.


Casualties

The conflict lasted eight years, two months and two days (from 7 July 1937, to 9 September 1945). The total number of casualties that resulted from this war (and subsequently theater) equaled more than half the total number of casualties that later resulted from the entire Pacific War.


Chinese

* Duncan Anderson, Head of the Department of War Studies at the Royal Military Academy, UK, writing for BBC states that the total number of casualties was around 20 million. * The official PRC statistics for China's civilian and military casualties in the Second Sino-Japanese War from 1937 to 1945 are 20 million dead and 15 million wounded. The figures for total military casualties, killed and wounded are: NRA 3.2 million; People's Liberation Army 500,000. * The official account of the war published in Taiwan reported that the Nationalist Chinese Army lost 3,238,000 men (1,797,000 wounded, 1,320,000 killed, and 120,000 missing) and 5,787,352 civilians casualties putting the total number of casualties at 9,025,352. The Kuomintang, Nationalists fought in 22 major engagements, most of which involved more than 100,000 troops on both sides, 1,171 minor engagements most of which involved more than 50,000 troops on both sides, and 38,931 skirmishes.Hsu Long-hsuen "History of the Sino-Japanese war (1937–1945)" Taipei 1972 The Chinese reported their yearly total battle casualties as 367,362 for 1937, 735,017 for 1938, 346,543 for 1939, and 299,483 for 1941. Additionally, the Ministry of Military Affairs recorded a total of 10,322,934 losses from illnesses, reorganizations, and desertions.國史館檔案史料文物查詢系統,抗戰期間陸軍動員人數統計表,典藏號:008-010701-00015-046
/ref> * The postwar investigation of Chinese losses by the Nationalist Government recorded a total of 3,407,931 military combat casualties (1,371,374 killed, 1,738,324 wounded, and 298,233 missing) and 422,479 military deaths from illnesses. Additionally, there were 2,313 casualties (1,042 killed and 1,271 wounded) from the Air Defense Service and 9,134,569 civilian casualties (4,397,504 dead and 4,737,065 wounded). Yearly casualties for the army are 881,349 in 1937, 517,121 in 1938, 413,853 in 1939, 153,983 in 1940, 258,530 in 1941, 126,557 in 1942, 67,903 in 1943, 322,625 in 1944, and 649,503 in 1945. * The Ministry of Military Affairs recorded the losses of wounded and sick soldiers in hospital directly administrated by the Nationalist Government at 443,398 losses for wounded soldiers (45,710 dead, 123,017 crippled, and 274,671 deserted) and 937,559 losses for sick soldiers (422,479 dead, 191,644 crippled, and 323,436 deserted), for a total of 1,380,957 losses (468,189 dead, 314,661 crippled, and 598,107 deserted). * An academic study published in the United States in 1959 estimates military casualties: 1.5 million killed in battle, 750,000 missing in action, 1.5 million deaths due to disease and 3 million wounded; civilian casualties: due to military activity, killed 1,073,496 and 237,319 wounded; 335,934 killed and 426,249 wounded in Japanese air attacks. This estimate is based on the National Central Research Institute's study of China's losses in six years from 7 July 1937 until 6 July 1943. * According to historian Mitsuyoshi Himeta, at least 2.7 million civilians died during the "kill all, loot all, burn all" operation (Three Alls Policy, or ''sanko sakusen'') implemented in May 1942 in north China by general Yasuji Okamura and authorized on 3 December 1941, by Imperial Headquarter Order number 575. * The property loss suffered by the Chinese was valued at 383 billion US dollars according to the currency exchange rate in July 1937, roughly 50 times the gross domestic product of Japan at that time (US$7.7 billion). * In addition, the war created 95 million refugees. * Rudolph Rummel gave a figure of 3,949,000 people in China murdered directly by the Japanese army while giving a figure of 10,216,000 total dead in the war with the additional millions of deaths due to indirect causes like starvation, disease and disruption but not direct killing by Japan. China suffered from famines during the war caused by drought affected both China and British Raj, India, Chinese famine of 1942–43 in
Henan Henan; alternatively Honan is a province in Central China. Henan is home to many heritage sites, including Yinxu, the ruins of the final capital of the Shang dynasty () and the Shaolin Temple. Four of the historical capitals of China, Lu ...
that led to starvation deaths of 2 to 3 million people, Guangdong famine caused more than 3 million people to flee or die, and the Bengal Famine of 1943, 1943–1945 Indian famine in Bengal that killed about 3 million Indians in Bengal and parts of Southern India.


Japanese

The Japanese recorded around 1.1 to 1.9million military casualties during all of World WarII (which include killed, wounded and missing). The official death toll of Japanese men killed in China, according to the Japan Defense Ministry, is 480,000. Based on the investigation of the Japanese ''Yomiuri Shimbun'', the military death toll of Japan in China is about 700,000 since 1937 (excluding the deaths in Manchuria). Another source from Hilary Conroy claims that a total of 447,000 Japanese soldiers died or went missing in China during the Second Sino-Japanese War. Of the 1,130,000 Imperial Japanese Army soldiers who died during World WarII, 39 percent died in China. Then in ''War Without Mercy'', John W. Dower claims that a total of 396,000 Japanese soldiers died in China during the Second Sino-Japanese War. Of this number, the Imperial Japanese Army lost 388,605 soldiers and the Imperial Japanese Navy lost 8,000 soldiers. Another 54,000 soldiers also died after the war had ended, mostly from illness and starvation.ed. Alvin Coox, Coox, Alvin and Hilary Conroy "China and Japan: A Search for Balance since World War I", pp. 308. Of the 1,740,955 Japanese soldiers who died during World WarII, 22 percent died in China.Dower, John "War Without Mercy", pp. 297. Japanese statistics, however, lack complete estimates for the wounded. From 1937 to 1941, 185,647 Japanese soldiers were killed in China and 520,000 were wounded. Disease also incurred critical losses on Japanese forces. From 1937 to 1941, 430,000 Japanese soldiers were recorded as being sick. In North China alone, 18,000 soldiers were evacuated back to Japan for illnesses in 1938, 23,000 in 1939, and 15,000 in 1940. From 1941 to 1945: 202,958 dead; another 54,000 dead after war's end. Chinese forces also report that by May 1945, 22,293 Japanese soldiers were captured as prisoners. Many more Japanese soldiers surrendered when the war ended. Contemporary studies from the Beijing Central Compilation and Translation Press state that the Japanese suffered a total of 2,227,200 casualties, including 1,055,000 dead and 1,172,341 injured. This Chinese publication analyzes statistics provided by Japanese publications and claimed these numbers were largely based on Japanese publications.Liu Feng, (2007). "血祭太阳旗: 百万侵华日军亡命实录". Central Compilation and Translation Press. . ''Note'': This Chinese publication analyses statistics provided by Japanese publications. Both Nationalist and Communist Chinese sources report that their respective forces were responsible for the deaths of over 1.7 million Japanese soldiers. Nationalist War Minister He Yingqin himself contested the Communists' claims, finding it impossible for a force of "untrained, undisciplined, poorly equipped" guerrillas of Communist forces to have killed so many enemy soldiers. The Nationalist Chinese authorities ridiculed Japanese estimates of Chinese casualties. In 1940, the National Herald stated that the Japanese exaggerated Chinese casualties, while deliberately concealing the true number of Japanese casualties, releasing false figures that made them appear much lower. The article reports on the casualty situation of the war up to 1940.


Use of chemical and biological weapons

Despite Article 23 of the Hague Conventions of 1899 and 1907, article V of the Treaty in Relation to the Use of Submarines and Noxious Gases in Warfare, article 171 of the Treaty of Versailles and a resolution adopted by the League of Nations on 14 May 1938, condemning the use of poison gas by the Empire of Japan, the Imperial Japanese Army frequently used chemical weapons during the war. According to Walter E. Grunden, history professor at Bowling Green State University, Japan permitted the use of chemical weapons in China because the Japanese concluded that Chinese forces did not possess the capacity to retaliate in kind. The Japanese incorporated gas warfare into many aspects of their army, which includes special gas troops, infantry, artillery, engineers and air force; the Japanese were aware of basic gas tactics of other armies, and deployed multifarious gas warfare tactics in China. The Japanese were very dependent on gas weapons when they were engaged in chemical warfare. Japan used poison gas at Hankow during the Battle of Wuhan to break fierce Chinese resistance after conventional Japanese assaults were repelled by Chinese defenders. Rana Mitter writes, According to Freda Utley, during the battle at Hankow, in areas where Japanese artillery or gunboats on the river could not reach Chinese defenders on hilltops, Japanese infantrymen had to fight Chinese troops on the hills. She noted that the Japanese were inferior at hand-to-hand combat against the Chinese, and resorted to deploying poison gas to defeat the Chinese troops. She was told by General Li Zongren that the Japanese consistently used tear gas and mustard gas against Chinese troops. Li also added that his forces could not withstand large scale deployments of Japanese poison gas. Since Chinese troops did not have gas-masks, the poison gases provided enough time for Japanese troops to bayonet debilitated Chinese soldiers. During the battle in Yichang of October 1941, Japanese troops used chemical munitions in their artillery and mortar fire, and warplanes dropped gas bombs all over the area; since the Chinese troops were poorly equipped and without gas-masks, they were severely gassed, burned and killed. According to historians Yoshiaki Yoshimi and Seiya Matsuno, the chemical weapons were authorized by specific orders given by Hirohito himself, transmitted by the Imperial General Headquarters. For example, the Emperor authorized the use of toxic gas on 375 separate occasions during the Battle of Wuhan from August to October 1938. They were also used during the invasion of Changde. Those orders were transmitted either by Prince Kan'in Kotohito or General Hajime Sugiyama. Gases manufactured in Okunoshima were used more than 2,000 times against Chinese soldiers and civilians in the war in China in the 1930s and 1940s Bacteriological weapons provided by Shirō Ishii's units were also profusely used. For example, in 1940, the Imperial Japanese Army Air Force bombed Ningbo with fleas carrying the bubonic plague. During the Khabarovsk War Crime Trials the accused, such as Major General Kiyashi Kawashima, testified that, in 1941, some 40 members of Unit 731 air-dropped plague-contaminated fleas on Changde. These attacks caused epidemic plague outbreaks. In the Zhejiang-Jiangxi Campaign, of the 10,000 Japanese soldiers who fell ill with the disease, about 1,700 Japanese troops died when the biological weapons rebounded on their own forces. According to statistics from the Nationalist government, the Japanese army from July 1937 until September 1945 used poison gas 1,973 times. Based on available data, a total of 103,069 Chinese soldiers and civilians died from biological and chemical weapons. Japan gave its own soldiers methamphetamines in the form of Philopon.


Use of suicide attacks

Chinese armies deployed "dare to die corps" ( zh, s=敢死队 , t=敢死隊 , p=gǎnsǐduì , w= , first=t) or "suicide squads" against the Japanese. Suicide bombing was also used against the Japanese. A Chinese soldier detonated a grenade vest and killed 20 Japanese at Defense of Sihang Warehouse#29 October, Sihang Warehouse. Chinese troops Explosive belt, strapped explosives, such as grenade packs or dynamite to their bodies and threw themselves under Japanese tanks to blow them up. This tactic was used during the Battle of Shanghai, where a Chinese suicide bomber stopped a Japanese tank column by exploding himself beneath the lead tank, and at the Battle of Taierzhuang, where dynamite and grenades were strapped on by Chinese troops who rushed at Japanese tanks and blew themselves up. During one incident at Taierzhuang, Chinese suicide bombers destroyed four Japanese tanks with grenade bundles.


Combatants


See also

* Aviation Martyrs' Cemetery * Japan during World War II *
Japanese war crimes During its imperial era, Empire of Japan, Japan committed numerous war crimes and crimes against humanity across various Asian-Pacific nations, notably during the Second Sino-Japanese War, Second Sino-Japanese and Pacific Wars. These incidents ...
* List of military engagements of the Second Sino-Japanese War * Mao Zedong thanking Japan controversy * Events preceding World War II in Asia#Noteworthy events, Timeline of events leading to World War II in Asia * Timeline of events preceding World War II * War crimes in World War II#Crimes perpetrated by Japan * Women in China during the Second Sino-Japanese War


Notes


References


Citations


Bibliography

* Bayly, C. A., and T. N. Harper. ''Forgotten Armies: The Fall of British Asia, 1941–1945''. Cambridge, MA: Belknap Press of Harvard University Press, 2005. xxxiii, 555p. . * Bayly, C. A., T. N. Harper. ''Forgotten Wars: Freedom and Revolution in Southeast Asia''. Cambridge, MA: Belknap Press of Harvard University Press, 2007. xxx, 674p. .
Benesch, Oleg. "Castles and the Militarisation of Urban Society in Imperial Japan", ''Transactions of the Royal Historical Society'', Vol. 28 (Dec. 2018), pp. 107–134.
* Buss, Claude A. ''War And Diplomacy in Eastern Asia'' (1941) 570p
online free
*

Historiographical overview of major books from the 1970s through 2006 * Guo Rugui, editor-in-chief Huang Yuzhang,中国抗日战争正面战场作战记 China's Anti-Japanese War Combat Operations (Jiangsu People's Publishing House, 2005) . On line in Chinese

* * *
Reprinted
: Abingdon, Oxon; New York: Routledge, 2015. Chapters on military, economic, diplomatic aspects of the war. * * Annalee Jacoby and Theodore H. White, ''Thunder out of China'', New York: William Sloane Associates, 1946. Critical account of Chiang's government by ''Time'' magazine reporters. * – Book about the Chinese and Mongolians who fought for the Japanese during the war. * * Lary, Diana and Stephen R. Mackinnon, eds. ''The Scars of War: The Impact of Warfare on Modern China''. Vancouver: UBC Press, 2001. 210p. . * * MacKinnon, Stephen R., Diana Lary and Ezra F. Vogel, eds. ''China at War: Regions of China, 1937–1945''. Stanford University Press, 2007. xviii, 380p. . * - Book about the Chinese from Canada as well as Americans who fought against Japan in the Second World War. * Macri, Franco David. ''Clash of Empires in South China: The Allied Nations' Proxy War with Japan, 1935–1941'' (2015
online
* * Peattie, Mark. Edward Drea, and Hans van de Ven, eds. ''The Battle for China: Essays on the Military History of the Sino-Japanese War of 1937–1945'' (Stanford University Press, 2011); 614 pages * Quigley, Harold S. ''Far Eastern War 1937 1941'' (1942
online free
* Steiner, Zara. "Thunder from the East: The Sino-Japanese Conflict and the European Powers, 1933=1938": in Steiner, ''The Triumph of the Dark: European International History 1933–1939'' (2011) pp 474–551. * * * Van de Ven, Hans, Diana Lary, Stephen MacKinnon, eds. ''Negotiating China's Destiny in World War II'' (Stanford University Press, 2014) 336 pp
online review
* * * * Issue 40 of China, a collection of pamphlets. Original from Pennsylvania State University. Digitized 15 September 2009


External links

*
Biographical Dictionary of Occupied China
' * s:Chinese declaration of war against Japan, 9 December 1941, Full text of the Chinese declaration of war against Japan on Wikisource * "CBI Theater of Operations"
IBIBLIO World War II: China Burma India
Links to selected documents, photos, maps, and books. *


Perry–Castañeda Library Map Collection
China 1:250,000, Series L500, U.S. Army Map Service, 1954– . Topographic Maps of China during the Second World War.
Perry–Castañeda Library Map Collection
Manchuria 1:250,000, Series L542, U.S. Army Map Service, 1950– . Topographic Maps of Manchuria during the Second World War. * Multi-year project seeks to expand research by promoting cooperation among scholars and institutions in China, Japan, the United States, and other nations. Includes extensive bibliographies.

* [http://www.microworks.net/pacific/road_to_war/route_south.htm "The Route South"] {{Authority control Second Sino-Japanese War, Wars involving Japan Wars involving the Republic of China Anti-Chinese violence in Asia Anti-Japanese sentiment in China China–Japan military relations Invasions by Japan Military history of China during World War II, * Military history of the Republic of China (1912–1949) Pacific War Tunnel warfare 1930s in China 1940s in China Invasions of China Articles containing video clips 1930s in Japan 1940s in Japan 1940s in Vietnam 1930s conflicts 1940s conflicts Campaigns of World War II Interwar period China–Japan relations Sino-Japanese Wars