the military code name for Nazi Germany's invasion of the Soviet Union. The invasion began in June, 1941.

Code name for the surprise German attack on the Soviet Union on June 22, 1941 which broke the Soviet-Nazi Non-Aggression Pact and plunged the Soviet Union into World War II.

The code name for the German invasion of the Soviet Union which began on June 22, 1941.

Operation Barbarossa was Adolf Hitler's surprise attack on the Soviet Union in the summer of 1941. The attack was a "surprise" because Hitler and the Soviet leader, Josef Stalin, had cooperated previously on several ventures.

Operation Barbarossa was the codename for Nazi Germany's invasion of the Soviet Union during World War II that commenced on June 22, 1941. The operation was named after the Emperor Frederick Barbarossa of the Holy Roman Empire, a leader of crusades in the 12th century: according to Nazi ideology the conquest of 'inferior races' was similarly righteous. It is not to be confused with the whole war on the Eastern Front.