WW2 Timeline Basic U.S. By bearblast Period: Jul 1, 1937 to Sep 2, 1945 WW2 Jul 7, 1937 Japanese invade China for first time Sep 1, 1939 Invasion of poland Period: Sep 1, 1939 to May 8, 1945 Battle of the Atlantic Jun 22, 1941 Op. Barbarossa Dec 7, 1941 Pearl Harbor Period: Dec 7, 1941 to Dec 23, 1941 Battle of Wake Island Jan 20, 1942 Wannsee Conference Jun 7, 1942 Battle of Midway Period: Jul 17, 1942 to Feb 2, 1943 Battle of Stalingrad Period: Jul 22, 1942 to Sep 12, 1942 Warsaw Ghetto Uprising Aug 7, 1942 battle of guadalcanal Oct 23, 1942 Battle of El Alamein Period: Nov 8, 1942 to Nov 11, 1942 Op. Torch Jul 10, 1943 Allies Invade Italian Mainland Period: Jan 1, 1944 to Apr 15, 1945 Liberation of Nazi Camps Jan 22, 1944 Battle of Monte Cassino Jun 6, 1944 D-Day of Normandy France Sep 17, 1944 Op. Market-Garden Beginning Sep 25, 1944 Op. Market Garden ends Dec 16, 1944 Battle of the Bulge Feb 9, 1945 Iwo Jima Period: Apr 1, 1945 to Jun 22, 1945 Battle of Okinawa May 8, 1945 VE Day (Vicotory in Europe) Jul 26, 1945 Potsdam Declaration Aug 8, 1945 Nuremberg Trials