Events Leading up to and during World War II By Nafisa Bhuiyan Mar 1, 1935 Hitler violates Treaty of Versallies Mar 7, 1936 Hitler sent troops to Rhineland Part of Germany area but demilitarized area. Mar 13, 1938 Hitler annexed Austria to Germany Aug 23, 1939 Germany and Soviet Union signed the Nazi-Soviet Nonaggression Pact Sep 28, 1939 German and the Soviet Union divided Poland Jun 22, 1941 Hitler invades the Soviet Union Dec 7, 1941 Japanese attaked US naval base at Pearl Harbor In Hawaiian Islands May 13, 1943 The Axis group surrendered in Tunisia.
