The Interwar Period (1919-1939) By Júlia_Ortiz Nov 11, 1918 Wold War i ends. Jun 28, 1919 Treaty of Versailles: war reparations imposed on Germany. Jan 16, 1920 The League of Nations comes into force. Oct 28, 1922 March on Rome: Mussolini rises to powe in Italy Dec 30, 1922 The Soviet Union is established (USSR) Jan 21, 1924 Lenin dies and Stalin assumes leadership of the USSR Sep 8, 1926 Germany joins the League of Nations Oct 1, 1928 Stalin's First Five-Year Plan in the USSR: industrialization and collectivization of agriculture. Oct 29, 1929 Wall Street Crash of 1929: the Great Depression begins. Sep 19, 1931 Japan invades Manchuria. Jan 30, 1933 Hitler is appointed Chancellor of Germany. Mar 4, 1933 Roosevelt rolls out the New Deal in response to the U.S economic crisis. Oct 3, 1933 Germany withdraws feom the League of Nations. Sep 15, 1935 Nuremberg Race Laws in Germany. Jul 17, 1936 The Spanish civil war begins. Dec 11, 1937 italy withdraws from the League of Nations. Mar 12, 1938 Anschluss: Germany annexes Austria. Mar 15, 1939 Germany occupies Czechoslovakia. Jul 17, 1939 The Spanish Civil war end's: Franco's dictatorshib begins. Sep 1, 1939 Germany invades Poland: World war ll begins.