World War II Timeline By Howsie Period: Jan 1, 1930 to Dec 31, 1939 ww2 Sep 18, 1931 Japan invades Manchuria Jan 30, 1932 Hitler becomes German Chancellor and withdraws Germany from the League of Nations Mar 16, 1935 Germany announces rearmament and conscription Sep 4, 1935 Italy invandes Abyssinia (Ethiopia) Feb 15, 1936 German troops re-enter the Rhineland Mar 17, 1936 Italy and Germany support Franco in the Spanish Civil War Sep 27, 1936 Germany and Japan become allies Jul 7, 1937 Japan invades China Jan 29, 1938 German troops occupy Austria Jun 29, 1939 Germany occupies Czechoslovakia.