WWII Timeline By powerscv224 Jul 7, 1937 Japan invades Manchuria starting the WWII in the Pacific Front Sep 1, 1939 Germany invades Poland and starts WWII in Europe Period: May 10, 1940 to Jun 22, 1940 Germany attacks Western Europe. Takes over France and Netherlands Germany Attacks France Sep 27, 1940 Germany, Italy and Japan sign the Tripartite Pact Jun 22, 1941 Germany Attacks the Soviet Union Dec 7, 1941 Japan bombs Pearl Harbor. Dec 8, 1941 US Declares war on Japan. Aug 20, 1942 US troops stop Japanese island hopping. May 9, 1945 Germany surrenders to Western Allies. Aug 6, 1945 United States deploy an atomic bomb on Hiroshima Aug 8, 1945 United States deploy an atomic bomb on Nagasaki Sep 2, 1945 Japan surrenders unconditionally.
