World War 2 By savvy798 Sep 1, 1939 Germany invades Poland Period: Sep 1, 1939 to Apr 29, 1945 World War 2 Sep 3, 1939 Britain, France, Australia and New Zealand declare war on Germany. Sep 10, 1939 Canada declares war on Germany. Sep 17, 1939 Soviet Union invades eastern Poland. Sep 27, 1939 Surrender of Warsaw. Nov 30, 1939 Soviet Union invades Finland. May 10, 1940 British Prime Minister, Chamberlain, resigns, replaced by Churchill. Jun 10, 1940 Italy declares war on Britain and France. Jun 22, 1940 France signs armistice with Germany. Dec 7, 1941 Japanese attack on Pearl Harbour. Dec 7, 1941 Japanese declare war on USA. Dec 8, 1941 Allies (except Soviets) declare war on Japan. Dec 11, 1941 Germany declares war on USA. Jun 4, 1942 Battle of Midway - 4 Japanese carriers sunk. Oct 23, 1942 Battle of El Alamein begins. Jan 31, 1943 German surrender at Stalingrad. Jul 25, 1943 Mussolini's Italian Fascist government overthrown. Sep 3, 1943 Italy signs armistice. Jun 6, 1944 Allied invasion of Normandy. Aug 25, 1944 Allies liberate Paris. Apr 12, 1945 US President Roosevelt dies - Truman becomes President. Apr 28, 1945 Mussolini captured by partisans and executed. Apr 30, 1945 Hitler commits suicide. May 7, 1945 German unconditional surrender. Aug 6, 1945 Atomic bomb dropped on Hiroshima. Aug 9, 1945 Atomic bomb dropped on Nagasaki. Aug 14, 1945 Japanese surrender.