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. Russo-Japanese War: The Russo–Japanese War (Russian: Русско-японская война , "Russko-yaponskaya voina"; Japanese: 日露戦争 "Nichirosensō"; 1904–05) was fought between the Russian Empire and the Empire of Japan over rival imperial ambitions in Manchuria and Korea.
Manchuria and Korea