Imperial Japanese Army

Imperial Japanese Army
大日本帝國陸軍 Dai-Nippon Teikoku Rikugun
The ensign of the Imperial Japanese Army
Active	1868–1945
Country	Empire of Japan
Type	Army
Role	Military ground force
Size	6,095,000 in August 1945
Part of	Imperial Armed Forces
Colors	Red   White
Equipment	Army equipment
Engagements	Boshin War Invasion of Taiwan (1874) Shinpūren Rebellion Satsuma Rebellion First Sino-Japanese War Boxer Rebellion Invasion of Taiwan (1895) Russo-Japanese War World War I Russian Civil War Japanese invasion of Manchuria Second Sino-Japanese War World War II
Commanders
Emperor of Japan	Meiji Taishō Shōwa
Minister of the Army	Ōyama Iwao (first) Sadamu Shimomura (last)
Chief of the General Staff	Yamagata Aritomo (first) Yoshijirō Umezu (last)
Insignia
Infantry Regimental Colour

The Imperial Japanese Army^[a] (IJA) was the principal ground force of the Empire of Japan. Forming one of the military branches of the Imperial Japanese Armed Forces (IJAF), it was controlled by the Imperial Japanese Army General Staff Office and the Army Ministry, both of which were nominally subordinate to the Emperor of Japan, the supreme commander of IJAF. During the 20th century, an Inspectorate General of Aviation became the third agency with oversight of the IJA. At its height, the IJA was one of the most influential factions in the politics of Japan and was one of the most powerful armies in the world.
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