The Soviet invasion of Manchuria, also known as the Manchurian Operation, started on August 9, 1945, with the Soviet invasion of Japanese-controlled Manchukuo.
Field of Operations: Manchuria
The largest military operation of its kind in history took place on August 9, 1945, as the Soviet Union invaded Japanese-occupied Manchukuo, a massive operation known as the Manchurian Strategic Offensive Operation or Manchurian Operation.