INTERWAR PERIOD TIMELINE By evelin b. Period: 1919 to 1924 First stage Jun 28, 1919 The treaty of Versailles is signed 1920 Founding of the League of Nations (ONU) 1922 Mussolini rises to power in Italy 1923 Economic crisis in Germany 1924 The Dawes Plan (try to stabilize their economy) Period: 1924 to 1933 Second stage 1927 Locarno Treaties (Signed by Germany, France, Belgium, Britain, and Italy) 1929 U.S. stock market collapsed 1932 Rise of Extremism (NSDAP & KPD) 1933 President Hindenburg appointed Hitler as Chancellor Period: 1933 to 1939 Third stage 1935 Violation of the Treaty of Versailles (Germany rearms) 1936 Spanish civil war 1938 Expansion of Nazi Germany (Annexation of Austria) 1938 Britain and France allow Hitler to take the Sudetenland from Czechoslovakia 1939 Starts WWII 1939 Invasion of Poland (Britain and France declare war on Germany.)