Question: what were the major events leading to an allied victory?
Answer: 1939: Hitler invades Poland. Hitler's invasion of Poland on 1st September 1939 marked the beginning of WW2 in Europe. 1940 (1): Rationing. ...  1940 (2): Blitzkrieg. ...  1940 (3): Churchill Becomes Prime Minister. ...  1940 (4): Evacuation of Dunkirk. ...  1940 (5): Battle of Britain. ...  1941 (1): Operation Barbarossa. ...  1941 (2): The Blitz.