WWII Timeline By gregmore12 Jul 29, 1921 Hitler becomes leader of National Socialist party After 2 years Hitler took leadership. Jul 18, 1925 Hitler Publishes Mein Kampf Jan 30, 1933 Hitler Becomes Chancellor of Germany Feb 27, 1933 The German Reichstag burns. Mar 23, 1933 Enabling Act goes in effect. Feb 10, 1936 The German Gestapo is placed above the law. Sep 1, 1939 Start of WW2, Germany Invades Poland May 12, 1940 Auschwitz is Built Jul 5, 1940 French Vichy government is formed Dec 7, 1941 Japanese bomb Pearl Harbor, Hawaii; also attack the Philippines, Wake Island, Guam, Malaya, Thailand, Shanghai and Midway Dec 8, 1941 U.S. and Britain declare war on Japan. Dec 11, 1941 Germany Declares War on U.S. Jan 26, 1945 Auschwitz Liberated Feb 4, 1945 Yalta Conference begins Aug 6, 1945 First Atomic Bomb dropped on Hiroshima Aug 9, 1945 Nagasaki Bombed with Atomic Bomb Sep 2, 1945 End Of WW2