What areas were fought over in the war fought by the Japanese Fourth Army?
Fourth Army (Japan) The Japanese 4th Army (第4軍 , Dai-yon gun ) was an army of the Imperial Japanese Army based in Manchukuo from the Russo-Japanese War until the end of World War II.
4th Army (Soviet Union) The 4th Army was a Soviet field army of World War II that served on the Eastern front of World War II and in the Caucasus during the Cold War.