The was an

army An army (from Old French ''armee'', itself derived from the Latin verb ''armāre'', meaning "to arm", and related to the Latin noun ''arma'', meaning "arms" or "weapons"), ground force or land force is a fighting force that fights primarily on ...

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 ...

based in

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 the

Russo-Japanese War The Russo-Japanese War ( ja, 日露戦争, Nichiro sensō, Japanese-Russian War; russian: Ру́сско-япóнская войнá, Rússko-yapónskaya voyná) was fought between the Empire of Japan and the Russian Empire during 1904 and 1 ...

until 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 ...

History

Russo-Japanese War

The Japanese 4th Army was initially raised on June 24, 1904 in the midst of the

under the command of General

Nozu Michitsura Marshal (Japan), Field Marshal The Marquis was a Japanese people, Japanese Field Marshal (Japan), field marshal and leading figure in the early Imperial Japanese Army. Biography Nozu was born in Kagoshima as the second son of a low-ranking '' ...

out of various reserve elements, to provide support and additional manpower in the Japanese drive towards

Mukden Shenyang (, ; ; Mandarin pronunciation: ), formerly known as Fengtian () or by its Manchu name Mukden, is a major Chinese sub-provincial city and the provincial capital of Liaoning province. Located in central-north Liaoning, it is the provi ...

in the closing stages of the war against

Imperial Russia The Russian Empire was an empire and the final period of the List of Russian monarchs, Russian monarchy from 1721 to 1917, ruling across large parts of Eurasia. It succeeded the Tsardom of Russia following the Treaty of Nystad, which ended th ...

. It was disbanded at Mukden on January 17, 1906 after the signing of the

Treaty of Portsmouth A treaty is a formal, legally binding written agreement between actors in international law. It is usually made by and between sovereign states, but can include international organizations, individuals, business entities, and other legal perso ...

and the end of the war.

Second Sino-Japanese War

After the start 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 ...

, the Japanese Fourth Army was raised again as a

garrison A garrison (from the French ''garnison'', itself from the verb ''garnir'', "to equip") is any body of troops stationed in a particular location, originally to guard it. The term now often applies to certain facilities that constitute a mil ...

force to guard the northern borders of

against possible incursions by the

Soviet The Soviet Union,. officially the Union of Soviet Socialist Republics. (USSR),. was a List of former transcontinental countries#Since 1700, transcontinental country that spanned much of Eurasia from 1922 to 1991. A flagship communist state, ...

Red Army The Workers' and Peasants' Red Army (Russian: Рабо́че-крестья́нская Кра́сная армия),) often shortened to the Red Army, was the army and air force of the Russian Soviet Federative Socialist Republic and, after ...

. It was based at

Bei'an Bei'an () is a county-level city in west-central Heilongjiang province in the People's Republic of China. It is under the jurisdiction of Heihe. Bei'an was the provincial capital of Bei'an province of Manchukuo, a puppet state set up by Japan durin ...

, the capital of a northern Manchukuo province of the same name, that was heavily fortified with various ground emplacements. The Fourth Army afterwards came under the operational command of the

Japanese First Area Army The was a field army of the Imperial Japanese Army during World War II, based in northern Manchukuo and active in combat against the Soviet Union in the closing stages of the war. History The Japanese 1st Area Army was formed on July 4, 1942 und ...

under the overall command of the

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

. As the war situation in the southeast Asia and China fronts of World War II worsened against the Japanese, experienced men and equipment were siphoned off from the Fourth Army to reinforce other units, leaving it largely hollowed out by the start of 1945. During the

Soviet invasion of Manchuria The Soviet invasion of Manchuria, formally known as the Manchurian strategic offensive operation (russian: Манчжурская стратегическая наступательная операция, Manchzhurskaya Strategicheskaya Nastu ...

in the final days of

, the Japanese Fourth Army was absolutely no match for the experienced, battle-hardened Soviet

armored Armour (British English) or armor (American English; see spelling differences) is a covering used to protect an object, individual, or vehicle from physical injury or damage, especially direct contact weapons or projectiles during combat Co ...

and

mechanized infantry Mechanized infantry are infantry units equipped with armored personnel carriers (APCs) or infantry fighting vehicles (IFVs) for transport and combat (see also mechanized force). As defined by the United States Army, mechanized infantry is di ...

divisions, who quickly overran or circumvented the Japanese defenses, and its poorly equipped and poorly trained forces were driven back to

Harbin Harbin (; mnc, , v=Halbin; ) is a sub-provincial city and the provincial capital and the largest city of Heilongjiang province, People's Republic of China, as well as the second largest city by urban population after Shenyang and largest ...

by the time of 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 ...

. Many of its surviving troops became

Japanese POWs in the Soviet Union After :World War II there were from 560,000 to 760,000 Japanese personnel in the Soviet Union and Mongolia interned to work in labor camps as POWs. Of them, it is estimated that between 60,000 and 347,000 died in captivity.

List of Commanders

Commanding officer

Chief of Staff

References

* * * * *

External links

*{{cite web , last = Wendel , first = Marcus , url = http://www.axishistory.com/index.php?id=6889 , title = Axis History Factbook , work = Japanese 4th Army 04 Military units and formations established in 1904 Military units and formations disestablished in 1945