was a general of the

Imperial Japanese Army The was the official ground-based armed force of the Empire of Japan from 1868 to 1945. It was controlled by the Imperial Japanese Army General Staff Office and the Ministry of the Army, both of which were nominally subordinate to the Emperor o ...

, and commander-in-chief of the

China Expeditionary Army The was a general army of the Imperial Japanese Army from 1939 to 1945. The China Expeditionary Army was established in September 1939 from the merger of the Central China Expeditionary Army and Japanese Northern China Area Army, and was headqu ...

from November 1944 to the end of

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...

. He was tried but found not guilty of any war crimes by the Shanghai War Crimes Tribunal after the war. As one of the

's top China experts, General Okamura spent his entire military career on the Asian mainland.

Biography

Early life

Born in

Tokyo Tokyo (; ja, 東京, , ), officially the Tokyo Metropolis ( ja, 東京都, label=none, ), is the capital and largest city of Japan. Formerly known as Edo, its metropolitan area () is the most populous in the world, with an estimated 37.468 ...

in 1884, Okamura enrolled in Sakamachi Elementary School and graduated eight years later. In 1897, he entered Waseda Junior High School. In 1898, he was transferred to Tokyo Junior Army School, and was transferred to Army Central Junior School later. Okamura entered the 16th class of the

Imperial Japanese Army Academy The was the principal officer's training school for the Imperial Japanese Army. The programme consisted of a junior course for graduates of local army cadet schools and for those who had completed four years of middle school, and a senior course f ...

in 1899 and graduated in 1904. His classmates included the future generals

Itagaki Seishiro is a Japanese surname. People with the name *, Japanese ski jumper *, Japanese manga artist *, one of the Twenty-four Generals of Takeda Shingen during the Sengoku period *, Japanese manga artist *, World War II Imperial Japanese army general *, ...

Kenji Doihara was a Japanese army officer. As a general in the Imperial Japanese Army during World War II, he was instrumental in the Japanese invasion of Manchuria. As a leading intelligence officer, he played a key role to the Japanese machinations that ...

and Ando Rikichi. He was commissioned a

second lieutenant Second lieutenant is a junior commissioned officer military rank in many armed forces, comparable to NATO OF-1 rank. Australia The rank of second lieutenant existed in the military forces of the Australian colonies and Australian Army until ...

in the IJA 1st Infantry Regiment. In 1907, he was promoted to lieutenant and was assigned to the Army Academy to assist with the training of cadets from China. In 1910, Okamura entered the 25th class of the Army War College, and was promoted to captain soon after graduation in 1913. He served in a number of staff positions on 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. Role The was created in April 1872, along with the Navy Ministry, to replace the Ministry of Military Affairs ...

during and after

World War I World War I (28 July 1914 11 November 1918), often abbreviated as WWI, was one of the deadliest global conflicts in history. Belligerents included much of Europe, the Russian Empire, the United States, and the Ottoman Empire, with fightin ...

including an assignment to

Beijing } Beijing ( ; ; ), alternatively romanized as Peking ( ), is the capital of the People's Republic of China. It is the center of power and development of the country. Beijing is the world's most populous national capital city, with over 21 ...

in June 1914. From June to December 1921, he was sent as a

military attache A military, also known collectively as armed forces, is a heavily armed, highly organized force primarily intended for warfare. It is typically authorized and maintained by a sovereign state, with its members identifiable by their distinct ...

to the

United States The United States of America (U.S.A. or USA), commonly known as the United States (U.S. or US) or America, is a country primarily located in North America. It consists of 50 states, a federal district, five major unincorporated territorie ...

and Europe. While at

Baden-Baden Baden-Baden () is a spa town in the states of Germany, state of Baden-Württemberg, south-western Germany, at the north-western border of the Black Forest mountain range on the small river Oos (river), Oos, ten kilometres (six miles) east of the ...

Germany Germany,, officially the Federal Republic of Germany, is a country in Central Europe. It is the second most populous country in Europe after Russia, and the most populous member state of the European Union. Germany is situated betwe ...

, he met with

Tetsuzan Nagata was a Japanese military officer and general of the Imperial Japanese Army best known as the victim of the Aizawa Incident in August 1935. Nagata was an influential military figure in the Meiji government and the '' de facto'' leader of the ...

, Toshiro Obata and

Hideki Tojo Hideki Tojo (, ', December 30, 1884 – December 23, 1948) was a Japanese politician, general of the Imperial Japanese Army (IJA), and convicted war criminal who served as prime minister of Japan and president of the Imperial Rule Assistan ...

, laying the foundation for the ''

Tōseiha The ''Tōseiha'' or was a political faction in the Imperial Japanese Army active in the 1920s and 1930s. The ''Tōseiha'' was a grouping of moderate officers united primarily by their opposition to the radical ''Kōdōha'' (Imperial Way) faction ...

'' political clique within the Japanese Army. On his return to Japan, he was assigned to the 14th Infantry Regiment. He was assigned to China in 1923, and served as a military advisor to Chinese

warlord A warlord is a person who exercises military, economic, and political control over a region in a country without a strong national government; largely because of coercive control over the armed forces. Warlords have existed throughout much of h ...

general

Sun Chuanfang Sun Chuanfang () (April 17, 1885 – November 13, 1935) a.k.a. the "Nanking Warlord" or leader of the "League of Five Provinces" was a Zhili clique warlord and protégé of the "Jade Marshal" Wu Peifu (1874–1939). Biography Sun Chuanfang ...

, in this capacity, he gathered many vital information and war maps, which later were used in the military operations of the

Second Sino-Japanese War The Second Sino-Japanese War (1937–1945) or War of Resistance (Chinese term) was a military conflict that was primarily waged between the Republic of China and the Empire of Japan. The war made up the Chinese theater of the wider Pacific Th ...

. He was promoted to colonel in July 1927 and returned to Japan to command the IJA 6th Infantry Regiment. From August 1929, Okamura was appointed as Assistant Director of Human Resources Bureau in the Ministry of the Army. He was involved in the March incident, a failed coup d'etat attempt to establish a military dictatorship headed by General

Kazushige Ugaki was a Japanese general in the Imperial Japanese Army and cabinet minister before World War II, the 5th principal of Takushoku University, and twice Governor-General of Korea. Nicknamed Ugaki Issei, he served as Foreign Minister of Japan in the ...

, but received no punishment. On May 31, the same year, he reached the conclusion of the Heiwa and Tanggu Agreement, which was the plenipotentiary of the National Government Army. From 1932 to 1933, Okamura was Deputy

chief-of-staff The title chief of staff (or head of staff) identifies the leader of a complex organization such as the armed forces, institution, or body of persons and it also may identify a principal staff officer (PSO), who is the coordinator of the supporti ...

of the

Shanghai Expeditionary Army The was a corps-level ad hoc Japanese army in the Second Sino-Japanese War. The Shanghai Expeditionary Army was first raised on February 25, 1932 as a reinforcement for Japanese forces involved during the First Battle of Shanghai. It was disso ...

under the aegis of the

Kwantung Army ''Kantō-gun'' , image = Kwantung Army Headquarters.JPG , image_size = 300px , caption = Kwantung Army headquarters in Hsinking, Manchukuo , dates = April ...

. According to Okamura's own memoirs, he played a role in the recruitment of

comfort women Comfort women or comfort girls were women and girls forced into sexual slavery by the Imperial Japanese Army in occupied countries and territories before and during World War II. The term "comfort women" is a translation of the Japanese '' ia ...

from

Nagasaki prefecture is a Prefectures of Japan, prefecture of Japan located on the island of Kyūshū. Nagasaki Prefecture has a population of 1,314,078 (1 June 2020) and has a geographic area of 4,130 Square kilometre, km2 (1,594 sq mi). Nagasaki Prefecture borders ...

to serve in military brothels in Shanghai. He served as

military attaché A military attaché is a military expert who is attached to a diplomatic mission, often an embassy. This type of attaché post is normally filled by a high-ranking military officer, who retains a commission while serving with an embassy. Opport ...

Manchukuo Manchukuo, officially the State of Manchuria prior to 1934 and the Empire of (Great) Manchuria after 1934, was a puppet state of the Empire of Japan in Northeast China, Manchuria from 1932 until 1945. It was founded as a republic in 1932 afte ...

from 1933 to 1934, and played a role in the negotiations for the

Tanggu Truce The Tanggu Truce, sometimes called the , was a ceasefire that was signed between the Republic of China and the Empire of Japan in Tanggu District, Tianjin, on May 31, 1933. It formally ended the Japanese invasion of Manchuria, which had begun ...

between Japan and China. Okamura was promoted to

lieutenant general Lieutenant general (Lt Gen, LTG and similar) is a three-star military rank (NATO code OF-8) used in many countries. The rank traces its origins to the Middle Ages, where the title of lieutenant general was held by the second-in-command on the ...

in 1936, and assigned command of the IJA 2nd Division.

Second Sino-Japanese War

In 1938, a year after the

Marco Polo Bridge Incident The Marco Polo Bridge Incident, also known as the Lugou Bridge Incident () or the July 7 Incident (), was a July 1937 battle between China's National Revolutionary Army and the Imperial Japanese Army. Since the Japanese invasion of Manchuria ...

, Okamura was assigned as the commander in chief of the

Japanese Eleventh Army The was an army of the Imperial Japanese Army during the Second Sino-Japanese War. History The Japanese 11th Army was formed on July 4, 1938 under the Japanese Central China Area Army for the task of conquering and occupying the central provin ...

, which participated in numerous major engagements in the

, notably the Battles of Wuhan,

Nanchang Nanchang (, ; ) is the capital of Jiangxi Province, People's Republic of China. Located in the north-central part of the province and in the hinterland of Poyang Lake Plain, it is bounded on the west by the Jiuling Mountains, and on the east ...

and

Changsha Changsha (; ; ; Changshanese pronunciation: (), Standard Mandarin pronunciation: ) is the capital and the largest city of Hunan Province of China. Changsha is the 17th most populous city in China with a population of over 10 million, an ...

. According to historians

Yoshiaki Yoshimi is a professor of Japanese modern history at Chuo University in Tokyo, Japan. He is a founding member of the Center for Research and Documentation on Japan's War Responsibility. He was born in Yamaguchi Prefecture, and studied at the University of ...

and Seiya Matsuno, Okamura was authorized by Emperor

Hirohito Emperor , commonly known in English-speaking countries by his personal name , was the 124th emperor of Japan, ruling from 25 December 1926 until his death in 1989. Hirohito and his wife, Empress Kōjun, had two sons and five daughters; he was ...

to use

chemical weapons A chemical weapon (CW) is a specialized Ammunition, munition that uses chemicals chemical engineering, formulated to inflict death or harm on humans. According to the Organisation for the Prohibition of Chemical Weapons (OPCW), this can be an ...

during those battles. In April 1940, Okamura was promoted to the rank of full

general A general officer is an Officer (armed forces), officer of highest military ranks, high rank in the army, armies, and in some nations' air forces, space forces, and marines or naval infantry. In some usages the term "general officer" refers t ...

. In July 1941, he was appointed the commander-in-chief of the

Northern China Area Army The was an area army of the Imperial Japanese Army during the Second Sino-Japanese War. History The Japanese North China Area Army was formed on August 21, 1937 under the control of the Imperial General Headquarters. It was transferred to th ...

. In December 1941, Okamura received

Imperial General Headquarters The was part of the 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 equivalent to the United States ...

Order Number 575 authorizing the implementation of the

Three Alls Policy The Three Alls Policy (, ja, 三光作戦 Sankō Sakusen) was a Japanese scorched earth policy adopted in China during World War II, the three "alls" being . This policy was designed as retaliation against the Chinese for the Communist-led Hundr ...

in north China, aimed primarily at breaking the

Chinese Red Army The Chinese Workers' and Peasants' Red Army or Chinese Workers' and Peasants' Revolutionary Army, commonly known as the Chinese Red Army or simply the Red Army, are the armed forces of the Chinese Communist Party. It was formed when Communist ...

. According to historian Mitsuyoshi Himeta, the

scorched earth A scorched-earth policy is a military strategy that aims to destroy anything that might be useful to the enemy. Any assets that could be used by the enemy may be targeted, which usually includes obvious weapons, transport vehicles, communi ...

campaign was responsible for the deaths of "more than 2.7 million" Chinese civilians. In 1944, Okamura was overall commander of the massive and largely successful

Operation Ichigo Operation Ichi-Go ( ja, 一号作戦, Ichi-gō Sakusen, lit=Operation Number One) 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 Apri ...

against airfields in southern China, while retaining personal command of the

Japanese Sixth Area Army The was a field army of the Imperial Japanese Army during both the Second Sino-Japanese War and World War II. History The Japanese 6th Area Army was formed on August 25, 1944 under the China Expeditionary Army primarily as a military reserve a ...

. A few months later, he was appointed the commander-in-chief of the

. As late as January 1945, Okamura was still confident of the victory of Japan in China. Surrender of Japan in Nanjing - Japanese delegation

With the

surrender of Japan The surrender of the Empire of Japan in World War II was announced by Emperor Hirohito on 15 August and formally signed on 2 September 1945, bringing the war's hostilities to a close. By the end of July 1945, the Imperial Japanese Navy ...

on 15 August 1945, Okamura represented the Imperial Japanese Army in the

China Burma India Theater China Burma India Theater (CBI) was the United States military designation during World War II for the China and Southeast Asian or India–Burma (IBT) theaters. Operational command of Allied forces (including U.S. forces) in the CBI was officia ...

official surrender ceremony held at

Nanjing Nanjing (; , Mandarin pronunciation: ), alternately romanized as Nanking, is the capital of Jiangsu province of the People's Republic of China. It is a sub-provincial city, a megacity, and the second largest city in the East China region. T ...

on 9 September 1945. The Chinese representatives at the surrender was General

He Yingqin He Yingqin, (; April 2, 1890 – October 21, 1987) also Ho Ying-chin, was a politician and one of the most senior generals of the Kuomintang (KMT) during Republic of China, and a close ally of Chiang Kai-shek. Early years A native of Guizhou, H ...

, who ironically was Okamura's opposite during the Tanggu Truce negotiations.

Post-war life

After the war, Okamura was found not guilty of any war crimes in January 1949 by the Shanghai War Crimes Tribunal. Nationalist leader

Chiang Kai-shek Chiang Kai-shek (31 October 1887 – 5 April 1975), also known as Chiang Chung-cheng and Jiang Jieshi, was a Chinese Nationalist politician, revolutionary, and military leader who served as the leader of the Republic of China (ROC) from 1928 ...

then retained him as a military adviser for the Nationalist Government. While he was questioned by the investigators, he testified about the

Nanking massacre The Nanjing Massacre (, ja, 南京大虐殺, Nankin Daigyakusatsu) or the Rape of Nanjing (formerly romanized as ''Nanking'') was the mass murder of Chinese civilians in Nanjing, the capital of the Republic of China, immediately after the ...

"I surmised the following based on what I heard from Staff Officer Miyazaki, CCAA Special Service Department Chief Harada and Hangzhou Special Service Department Chief Hagiwara a day or two after I arrived in Shanghai. First, it is true that tens of thousands of acts of violence, such as looting and rape, took place against civilians during the assault on Nanking. Second, front-line troops indulged in the evil practice of executing POWs on the pretext of (lacking) rations."

The Nationalist regime of Chiang Kai-Shek intervened to protect Okamura from repeated American requests that he testify at the Tokyo war crimes trial. Okamura remained as an advisor to the Nationalist government until he was decommissioned in January 1949 and returned to Japan. He was active in the post-war era as advisor to the National Bereaved Family Support Association and also formed a group of retired military officers with Chinese experience called the "Paidan", which continued to provide informal support for the Chinese Nationalist government until his death in 1966.

References

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External links

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Notes

{{DEFAULTSORT:Okamura, Yasuji 1884 births 1966 deaths People from Tokyo Japanese military attachés Japanese generals Japanese military personnel of World War II Grand Cordons of the Order of the Rising Sun Recipients of the Order of the Sacred Treasure, 1st class Recipients of the Order of the Golden Kite, 1st class