World War II By smcl4642 Period: Oct 1, 1941 to Dec 31, 1946 The World War II Era Major Events of World War II Dec 7, 1941 Japan Attacks Pearl Harbor Dec 8, 1941 America Enters the War Jun 6, 1944 D-Day Aug 6, 1945 U.S. Drops Bomb on Hiroshima
