World War II Timeline: Onalee Sortino By Onalee Sep 1, 1931 Japan Invades Manchuria Period: Sep 1, 1931 to Dec 1, 1949 *All dates preset to the first of the month unless an actual day is given Mar 1, 1935 Hitler Renounces the Provisions of the Treaty of Versailles Oct 1, 1935 Italy Invades Ethiopia Mar 1, 1936 Germany Re-Occupies the Rhineland Jul 1, 1936 Spanish Civil War Oct 1, 1936 Franco Becomes Dictator of Spain Nov 1, 1936 Rome-Berlin Axis Pact Sep 1, 1938 Munich Agreements Mar 1, 1939 Britain Signs a Pact with Poland Aug 1, 1939 Nazi-Soviet Nonaggression Pact is Signed Sep 1, 1939 Germany Invades Poland *Actually happened September 1st Sep 3, 1939 Britain and France Declare War on Germany May 1, 1940 Hitler Invades France Jul 1, 1940 Battle of Britain Jun 1, 1941 Operation Barbarossa Dec 7, 1941 Attack on Pearl Harbor May 1, 1942 Battle of the Coral Sea Jun 1, 1942 Battle of Stalingrad Nov 1, 1942 Allied Victory in Africa Nov 1, 1943 Allied Conference in Tehran Jun 6, 1944 D-Day Dec 1, 1944 Battle of the Bulge Feb 1, 1945 Allied Conference in Yalta May 1, 1945 Allied Conference in Yalta Jul 1, 1945 Allied Conference in Potsdam Aug 6, 1945 Atomic Bombing of Hiroshima Aug 9, 1945 Atomic Bombing of Nagasaki Dec 1, 1949 Separate East German Government Established