When and how did Hitler invade Soviet Union?
Hitler invaded the Soviet Union in the following manner: In June 1941, Hitler invaded the Soviet Union as he was at the height of his power and thus believed he could achieve a victory against the USSR. It resulted in a huge mistake by Hitler, moving east, opened German west side to British attack while the eastern army faced the strong Soviet army. Due to winter and various other conditions, the Soviet Red army brutally defeated the German forces at Stalingrad. Soon, the Soviet army chased the German forces right down to Berlin and established half Berlin as communist Berlin.