WWII Timeline- Madison Gunderson By mgunderso91 Sep 18, 1931 Manchuria is invaded by Japan. Jul 7, 1937 Japan invades China Sep 1, 1939 Germany invades Poland Sep 3, 1939 France and Great Britain announce war with Germany Sep 17, 1939 Soviet Union invades Poland from the East Jun 10, 1940 Italy enters the war Sep 13, 1940 Itay invades Egypt Sep 27, 1940 Japan, Italy, and Germany sign the Tripartite Pact Oct 28, 1940 Italy invades Greece from Albania Nov 20, 1940 Hungary fuses with the Axis Nov 22, 1940 Romania also joins the Axis Powers. Nov 23, 1940 Slovakia joins the Axis Mar 1, 1941 The axis is joined by Bulgaria Dec 7, 1941 Japan bombs Pearl Harbor Dec 8, 1941 Germany and the Axis powers declare war on the United States Jun 6, 1944 The U.S. and the Biritsh land on the beaches of Normandy. This opens a second front with the Germans. Oct 20, 1944 The U.S. lands in the Philippines. Apr 30, 1945 Hitler commits suicide May 8, 1945 German troops surrender to Europe Aug 9, 1945 The U.S. drops atomic bond on Hiroshima Sep 2, 1945 Japan surrenders and WWII ends