The Rise of Hitler and The Nazis By Sheepgobeep Jan 1, 1918 German Republic proclaimed Jan 1, 1919 Treaty of Versailles Jan 1, 1920 German economy devistated by cost of war and heavy war reparations Jan 1, 1921 Adolf Hitler becomes the leader of the Nazi Party Jan 1, 1933 Hitler becomes Chancellor of Germany Jan 1, 1939 World War II begins when Germany invades Poland