World War 2 By sweb Sep 1, 1939 Germany Invades Poland Dec 7, 1941 Pearl Harbor is attacked by Japan. Dec 8, 1941 United States and Britain declare war on Japan. Jan 1, 1942 Declaration of the United Nations signed by 26 Allied nations. Jun 4, 1942 Battle of Midway Jun 6, 1944 D-Day Apr 30, 1945 Adolf Hitler commits suicide. Aug 6, 1945 The Enola Gay dropped an atomic bomb on Hiroshima, Japan. The Enola Gay dropped an atomic bomb on Hiroshima, Japan killing about 78,000 people and injuring 100,000 more. Aug 9, 1945 A second atomic bomb was dropped on Nagasaki, Japan, killing 40,000 people. Sep 2, 1945 Japan sign surrender documents on the deck of the American battleship USS Missouri, ending the war.
