Formally the Japanese puppet state of "Manchuko", today it is the northern portion of China. Borders Russia to the north, Mongolia to the west and Korea to the south.
After Russo-Japanese War, Japan
created an independent army group at Port Arthur in 1919 to protect
Liaodong peninsula and south Manchurian railroad. Following the Manchurian incident of 1931, Japan conquered
all of Manchuria and developed the area's natural resources and made it a Japanese puppet state of Manchuko, occupied by the Japanese Kwantung Army.
Border incidents with neighboring Mongolia occurred during the 1930s, including The Battle of Khalkhin Gol / Nomonhan Incident during May - August 1939. During August 1945, Soviet and Mongolian forces attacked Manchuria during "Operation August Storm".
Became part of China. Communists Chinese armed with
Japanese weapons and planes renewed their war against the
Nationalist, before their equipment was updated with Russian equipment.
Chinese Provinces in former Manchukuo include: Shanxi, Shaanxi, Ningxia Hui Autonomous Region, and Gansu,
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December 3, 2018