World War II By jentamu94 Oct 3, 1935 Italy invades Ethiopia Oct 25, 1936 Rome/Berlin Treaty Jul 7, 1937 Japan invades China Mar 12, 1938 Hitler annexes Austria Sep 30, 1938 Munich Conference Oct 1, 1938 Germany annexes Sudetenland Sep 1, 1939 Germany invades Poland. WW II starts. Sep 23, 1939 Nazi Soviet Pact Period: Apr 9, 1940 to Jun 22, 1940 Germany takes over much of n and w Europe May 30, 1940 Churchill Prime Minister Jun 10, 1940 Italy joins war (Axis) Sep 22, 1940 Tripartite Pact Jun 22, 1941 Hitler invades USSR Dec 7, 1941 Pear Harbor attacked Sep 3, 1943 Italy surrenders Jun 6, 1944 D Day Apr 12, 1945 FDR dies Apr 30, 1945 Hitler's suicide May 7, 1945 Germany surrenders Aug 6, 1945 Hiroshima Aug 6, 1945 Nagasaki Sep 2, 1945 Japan surrenders Apr 19, 1946 League of Nations disbanded