Soviet invasion of Manchuria

The Soviet invasion of Manchuria', officially known as the Machurian Strategic Offensive Operation or the Manchurian Operation for short, was a large-scale invasion carried out by Soviet Unionball against  Empire of Japanball at the end of World War II in August of 1945. It was the last campaign of World War II and saw the Japanese puppet states of Manchukuoball and  Mengjiangball be invaded and occupied by the Soviet forces. The Soviet forces made it all across Manchuria and Inner Mongolia and occupied Northern Korea at the end of the campaign.