World War II By MatEvans17 Jul 30, 1921 Adolf Hitler becomes leader of National Socialist (Nazi) Party. Nov 9, 1932 Franklin Roosevelt elected President of the United States. Jan 30, 1933 Adolf Hitler becomes Chancellor of Germany. Mar 12, 1933 First concentration camp opened at Oranienburg outside Berlin. May 10, 1933 Nazis burn books in Germany. Oct 14, 1933 Germany quits the League of Nations. Jul 25, 1934 Nazis murder Austrian Chancellor Dollfuss. Aug 2, 1934 German President Hindenburg dies. Aug 19, 1934 Adolf Hitler becomes Führer of Germany. Mar 16, 1935 Hitler violates the Treaty of Versailles by introducing military conscription. Sep 15, 1935 German Jews stripped of rights by Nuremberg Race Laws. Nov 5, 1937 Hitler reveals war plans during Hossbach Conference. Aug 11, 1938 German military mobilizes. Aug 31, 1939 British fleet mobilizes; Civilian evacuations begin from London. Sep 1, 1939 Nazis invade Poland. Sep 3, 1939 Britain, France, Australia and New Zealand declare war on Germany. Sep 5, 1939 United States proclaims its neutrality Sep 10, 1939 Canada declares war on Germany; Battle of the Atlantic begins Sep 17, 1939 Soviets invade Poland. Nov 8, 1939 Assassination attempt on Hitler fails. Nov 30, 1939 Soviets attack Finland. Dec 14, 1939 Soviet Union expelled from the League of Nations. May 10, 1940 Nazis invade France, Belgium, Luxembourg and the Netherlands; Winston Churchill becomes British Prime Minister. May 15, 1940 Holland surrenders to the Nazis. Jun 10, 1940 Norway surrenders to the Nazis; Italy declares war on Britain and France. Period: Dec 29, 1940 to Dec 30, 1940 Massive German air raid on London. Dec 7, 1941 Japanese bomb Pearl Harbor Dec 8, 1941 United States and Britain declare war on Japan. Dec 11, 1941 Hitler declares war on the United States. Apr 30, 1945 Adolf Hitler commits suicide.