World War II By facebooker_2003984233055781 Jan 30, 1933 Adolf Hitler becomes Chancellor of Germany. His Nazi Party, or the Third Reich, takes power and Hitler is essentially the dictator of Germany. Sep 1, 1939 Germany invades Poland. World War II begins. Sep 3, 1939 France and Great Britain declare war on Germany. Sep 22, 1940 ermany, Italy, and Japan sign the Tripartite Pact creating the Axis Alliance. Dec 7, 1941 The Japanese attack the US Navy in Pearl Harbor. The next day the US enters World War II on the side of the Allies. Aug 25, 1944 Paris is liberated from German control. Dec 16, 1944 The Germans launch a large attack in the Battle of the Bulge. They lose to the Allies sealing the fate of the German army. Apr 30, 1945 Adolf Hitler commits suicide as he knows Germany has lost the war. May 7, 1945 Germany surrenders to the Allies. Aug 6, 1945 The United States drops the Atomic Bomb on Hiroshima, Japan. The city is devastated. Aug 9, 1945 Another atomic bomb is dropped on Nagasaki, Japan.