December 7, 1941
Japanese attack Pearl Harbor

December 11, 1941
Germany and Italy declare war on the United States

June 6, 1944
Allied invasion of Normandy

December 8, 1941
United States declares war on Japan

August 19, 1942
Dieppe Raid

August 6-9, 1945
Atomic Bombs dropped on Hiroshima and Nagasaki