World war 1 began when germany invaded
- World war ii began when germany invaded on september 1 1939
- World war 2 began on september 1 1939 when germany invaded
- World war ii began on sept 1 1939 when germany invaded
- World war ii began on september 1 1939 when germany invaded which country
- World war ii officially began on september 1 1939 when germany invaded
- World war 1st and 2nd