World War II By ALanda Sep 1, 1939 Germany invades Poland Sep 17, 1939 Soviet Union invades Poland Jun 10, 1940 Italy enters the war Sep 27, 1940 Germany, Italy, and Japan sign the Tripartite Pact Jun 2, 1941 Germany invades Soviet Union Jun 2, 1941 Germany invades Soviet Union Dec 7, 1941 Pearl Harbor Dec 8, 1941 US delcares war on Japan Dec 11, 1941 Nazi Germany and Axis partners declare war on US Feb 19, 1942 Interment of Japanese Americans begin Oct 23, 1942 Britain defeat Germany and Italy Nov 6, 1943 Soviet trioops liberate Kiev Jun 6, 1944 D-Day Jun 6, 1944 British and US land on Normandy opening "Second Front" against Germans Apr 16, 1945 Soviets launch final offensive around Berlin Apr 30, 1945 Hitler commits suicide May 8, 1945 V-E Day May 9, 1945 Germany surrenders to Soviets Aug 9, 1945 US drops atomic bomb on Nagaski Sep 2, 1945 Surrender of Japan Sep 2, 1945 Japan surrenders, ending WWII