World War 2 By Alyon41 Sep 1, 1939 Invasion of Poland Sep 5, 1939 U.S. Declares Neutrality Jun 10, 1940 Italy declares war on France and Britain Jun 10, 1940 Battle of Britain begins July 10, 1940 Period: Nov 20, 1940 to Nov 23, 1940 Hungary and Romania join the Axis Powers Aug 20, 1941 Germany besieges Leningrad Dec 7, 1941 Pearl Harbor Japan attacks Pearl Harbor Dec 8, 1941 FDR Declares War on the Axis Powers Dec 11, 1941 Germany and Italy declare war on U.S. Jan 10, 1943 Soviets Begin to Push Germans Back from Stalingrad Feb 2, 1943 Surrender at Stalingrad February 2, 1943 - Surrender at Stalingrad marks Germany's first major defeat Mar 13, 1943 Allies Take Over North Africa Jul 10, 1943 Allies Land in Sicily Sep 8, 1943 Italy Surrenders to Allies Oct 13, 1943 Italy Declares War on Germany Jan 27, 1944 Leningrad's Siege Ends Jun 5, 1944 Allies Enter Rome Jun 6, 1944 D-Day in France Aug 25, 1944 Liberation of Paris Nov 4, 1944 Axis Forces in Greece Surrender Feb 19, 1945 U.S. Landings on Iwo Jima Apr 12, 1945 FDR Dies and Harry Truman Becomes U.S. President May 8, 1945 Victory in Europe Day Aug 6, 1945 Atomic Bomb Dropped on Hiroshima Aug 8, 1945 Russia Declares War on Japan Aug 9, 1945 Atomic Bomb Dropped on Nagasaki Aug 14, 1945 Japan Surrenders Aug 15, 1945 Victory in Japan Day Sep 2, 1945 WWII Ends