World War II By sthornton2 Nov 11, 1918 World War I ends Apr 28, 1919 League of Nations founded Jun 28, 1919 Treaty of Versailles signed Sep 8, 1926 Germany admitted to League of Nations Oct 29, 1929 U.S. Stock Market Crashes Jan 30, 1933 Adolf Hitler becomes Chancellor of Germany Aug 2, 1934 Hitler becomes Fuhrer of Germany Dec 7, 1941 Bombing of Pearl Harbor by Japanese Period: Apr 1, 1945 to Apr 30, 1945 Axis Powers surrender Period: May 1, 1945 to Oct 30, 1945 WWII Ends