History Timline By Casey Pfankuchen Feb 19, 1919 Vladimir Lenin Formed the Communist International Jun 28, 1919 Treaty of Versailles is Signed Jul 24, 1919 Kellogg Briand Pact goes into effect Aug 11, 1919 Constitution Created by German Leaders Jan 10, 1920 League of Nations is Formed May 3, 1920 The General Strike Oct 1, 1925 Signing of the Locarno Agreement Dec 1, 1925 Signing of the Locarno Agreement Oct 17, 1926 The Great Purge Oct 1, 1928 Joseph Stalin Proposed Five Years Plan Oct 29, 1929 Start of the Great Depression Oct 29, 1931 End of the Great Depression Oct 17, 1936 Stalin Stages Show Trials