World War II By facebooker_795041033936953 Sep 18, 1939 Hitler attacks Poland Apr 13, 1940 Hitler attacks Denmark, Norway, Holland and Belgium May 19, 1940 France falls Period: Jun 13, 1940 to Oct 18, 1940 Battle of Britain Period: Jun 18, 1940 to Aug 17, 1943 Japanese forces invade parts of Asia Period: Oct 7, 1940 to May 18, 1941 Hitler attacks North African states Jun 13, 1941 Operation Barbarossa Dec 7, 1941 Japan attacks Pearl Harbor Period: Apr 7, 1942 to Aug 19, 1943 Tide of the war on both fronts change Period: Oct 12, 1942 to Jun 23, 1945 Allies island-hop Nov 14, 1942 Britain Army defeats German forces in North Africa Dec 17, 1942 Battle of Stalingrad Jun 6, 1944 D-Day May 8, 1945 V-E Day Aug 6, 1945 First atomic bomb dropped Aug 9, 1945 Second atomic bomb dropped Sep 2, 1945 V-J Day