World War II Timeline By lchelcun Sep 1, 1931 Seizure of Manchuria Feb 1, 1933 Japan withdraws from League of Nations Oct 1, 1933 Hitler pulls Germany out of the Leagur of Nations Jan 1, 1934 Hitler secretly begins building up Germany’s army Jan 1, 1936 Hitler orders troops to enter the Rhineland Mar 1, 1938 Hitler marches into Austria. Mar 1, 1939 Hitler invades Sudetenland, Czechoslovakia Sep 1, 1939 Germany invades Poland Dec 7, 1939 Attack on Pearl Harbor Dec 8, 1939 U.S. declares war on Japan and enters WWII Jul 10, 1940 Germany defeated in the air war known as the Battle of Britain Jun 22, 1941 Germany attacks USSR and lays siege to Leningrad (St. Petersburg) Dec 1, 1941 Germany and Axis Powers declare war on the U.S. Jan 1, 1942 U.S. forces move across the Pacific towards the Japanese homeland 1942-1945 Jun 4, 1942 Battle of Midway Nov 1, 1943 Tehran Conference Meeting of the "Big Three" Jun 6, 1944 D-Day Western Europe is liberated from Nazi Germany’s control. Apr 1, 1945 US-British forces enter Germany; Soviet forces take Berlin Apr 30, 1945 Hitler commits suicide May 8, 1945 German military commanders surrendered unconditionally Aug 6, 1945 United States drops atomic bombs on Hiroshima Aug 9, 1945 United States drops atomic bombs on Nagasaki Aug 14, 1945 Japan negotiates surrender to the Allies, ending World War II
