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Japanese intervention in Siberia

Japanese intervention in Siberia
Part of the Russian Civil War
Date January 1918–June 1922
Location Former Russian Empire
Result Bolshevik victory
Belligerents
 Russian SFSR
 Far Eastern Republic

 Japan


In support of:
Russian Empire White movement

Commanders and leaders
Russian Soviet Federative Socialist Republic Vladimir Lenin Empire of Japan Yui Mitsue
Strength
Russian Soviet Federative Socialist Republic Unknown Empire of Japan 70,000
Casualties and losses
Russian Soviet Federative Socialist Republic 7,791
698 killed/missing
2,189 died of disease
1,421 wounded
3,482 sick/frostbitten
(1922 only)
Empire of Japan
1,399 killed
1,717 died of disease
(total)

 Japan

In support of:
Russian Empire White movement

The Japanese Siberian Intervention (シベリア出兵, Shiberia Shuppei?) of 1918–1922 was the dispatch of Japanese military forces to the Russian Maritime Provinces as part of a larger effort by western powers and Japan to support White Russian forces against the Bolshevik Red Army during the Russian Civil War.

On August 23, 1914, the Empire of Japan declared war on Germany, in part due to the Anglo-Japanese Alliance, and Japan became a member of the Entente powers. The Imperial Japanese Navy made a considerable contribution to the Allied war effort; however, the Imperial Japanese Army was more sympathetic to Germany, and aside from the seizure of Tsingtao, resisted attempts to become involved in combat. The overthrow of Tsar Nicholas II and the establishment of a Bolshevik government in Russia led to a separate peace with Germany and the collapse of the Eastern Front. The spread of the anti-monarchial Bolshevik revolution eastward was of great concern to the Japanese government. Vladivostok, facing the Sea of Japan was a major port, with a massive stockpile of military stores, and a large foreign merchant community.


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