world war 2 By malissaa_a Sep 1, 1938 Germany invades Poland, starting World War II Sep 3, 1938 Britain and France declare war on Germany Aug 23, 1939 •Nazi-Soviet Non-Aggression Pact May 10, 1940 Germany invades France, Belgium, and the Netherlands Jun 10, 1940 Italy declares war on France and Great Britain Jul 2, 1940 - France surrenders to Germany Sep 16, 1940 - The United States begins its first peacetime draft Jun 22, 1941 Germany invades the Soviet Union (Operation Barbarossa) Dec 7, 1941 - The Japanese launch a sneak attack on Pearl Harbor, Hawaii Dec 11, 1941 - Germany and Italy declare war on the United States; then the United States declares war on Germany and Italy Feb 4, 1945 - Yalta Conference begins Feb 13, 1945 - Allies begin bombing Dresden Feb 19, 1945 - Battle of Iwo Jima begins Apr 12, 1945 - Franklin D. Roosevelt dies Apr 16, 1945 - Battle of Berlin begins Apr 28, 1945 - Mussolini is hanged by Italian partisans Apr 30, 1945 Adolf Hitler commits suicide May 7, 1945 - Germany signs an unconditional surrender Jul 17, 1945 - Potsdam Conference begins Aug 6, 1945 The United States drops the first atomic bomb on Hiroshima, Japan Aug 9, 1945 - The United States drops a second atomic bomb on Nagasaki, Japan Sep 2, 1945 japan surrenderd