Definitions for "Operation Barbarossa"
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.