WWII Timeline By aagarcia Sep 19, 1931 Japan invades Manchuria Mar 7, 1936 German troops enter Rhineland: violation of the Treaty of Verailles Oct 25, 1936 Rome Berlin Axis Mar 12, 1938 Anschluss: Hitler annexes Austria Sep 1, 1939 Non-Aggression Pact: Germany and Russia Period: Sep 1, 1939 to Aug 14, 1945 WWII Period: Sep 1, 1939 to May 7, 1945 European Theater Sep 3, 1939 G.B. and France declare war on Germany Jul 10, 1940 The Battle of Britain Sep 28, 1940 Germany and Russia divide Poland Jun 22, 1941 Germany attacks Ukraine and Leningrad Dec 7, 1941 Pearl Harbor Dec 7, 1941 US enter the war Period: Dec 7, 1941 to Aug 14, 1945 Asian Theater Dec 11, 1941 Hitler declares war on the United States May 4, 1942 Battle of Coral Sea Jun 4, 1942 Battle of Midway Island Aug 23, 1942 Germany attacks Stalingrad May 13, 1943 German and Italian troops surrender in N. Africa Jun 6, 1944 D-Day invasion on Normandy Beach Jun 21, 1944 Rome falls to the allies no specific date Aug 19, 1944 Paris is liberated Apr 16, 1945 Soviets enter Berlin Apr 28, 1945 Mussolini dies Apr 30, 1945 Hitler commits suicide May 8, 1945 Germany commanders surrender Aug 6, 1945 U.S. drops bomb on Hiroshima Aug 9, 1945 U.S. drop 2nd bomb on Nagasaki Aug 14, 1945 Japan surrenders, ending the war