World War 2 Timeline By RyanM30 Sep 1, 1939 WW2 Begins World War 2 officially begins Period: Sep 1, 1939 to Sep 2, 1945 ww2 Sep 8, 1939 Germans complete attack on Warsaw Sep 27, 1939 Remaining soldiers in Poland's army surrender to Germany Oct 6, 1939 Portions of Poland are annexed by Germany Nov 4, 1939 US publicly delcares neutrality from WW2 Dec 14, 1939 USSR expelled from League of Nations Mar 1, 1940 Documents revealed Hitler's plan to invade Sweden Mar 16, 1940 Air raid over Scapa Flow takes first british casualties Apr 9, 1940 Germany invades Norway and Denmark May 13, 1940 Women and children evacuated from Gibraltar Sep 7, 1940 London is bombed Nov 5, 1940 President Roosevelt wins 3rd term as US president Mar 1, 1941 Auschwitz concentration camp is expanded Aug 26, 1941 Germany takes over Kiev, Ukraine Dec 7, 1941 Japan attacks Pearl Harbor Jan 26, 1942 First US forces arrive in Europe Mar 20, 1942 Operation Outward starts May 12, 1942 Manhattan Project starts Nov 15, 1942 USS Washington sinks Japanese battleship Kirishima Feb 10, 1943 Allies take control of Libya Mar 15, 1943 Germany recaptures Kharkov May 16, 1943 Allies bomb Rome Dec 26, 1943 German battleship Scharnhorst is sunk by british Jun 2, 1944 US launches Operation Frantic Jun 6, 1944 D-day begins on the beaches of Normandy, France Sep 5, 1944 USSR declares war on Bulgaria Apr 30, 1945 Hitler and his wife commit suicide May 7, 1945 Germany surrenders from ww2 Aug 14, 1945 Japan surrenders from ww2 Sep 2, 1945 WW2 officially ends