World War II By dh8295 Jan 30, 1933 Hitler becomes Chancellor of Germany Sep 1, 1939 Germany invades Poland Nov 8, 1939 Assassination Attempt on Hitler Fails Apr 9, 1940 Nazis invade Denmark and Norway Jun 10, 1940 Italy Invades France and declares war on France and the U.K. Sep 27, 1940 The Tripartite Pact is signed Dec 7, 1941 Japanese attack Pearl Harbor Jun 6, 1944 D-Day Western Allies invade Northern France Feb 19, 1945 Battle of Iwo Jima Apr 1, 1945 Battle of Okinawa Aug 6, 1945 The U.S. Bombs Hiroshima Aug 9, 1945 The U.S. Bombs Nagasaki