time line By le bronny 1939 Battle of the Atlantic Aug 23, 1939 Germany and the Soviet Union (USSR) sign the Nazi-Soviet Pact. Sep 1, 1939 Germany attacks Poland. Sep 17, 1939 USSR attacks Poland from the cast, Poland soon falls and is divided between the Germans and Russians Nov 30, 1939 winter war 1940 Slovakia, Hungary, Romania join the Axis Powers Apr 9, 1940 Germany invades and captures Denmark and Norway. May 10, 1940 Germany attacks Western Europe. Luxembourg, Netherlands, Belgium, and Northern France fall. Jun 11, 1940 Italy invades British controlled Egypt. Jun 27, 1940 Italy joins the war Sep 27, 1940 Germany, Italy, and Japan sign the Tripartite Pact. Oct 28, 1940 Italy invades Greece, Feb 7, 1941 German Afrika Korps are sent to North Africa to reinforce the Italians. Mar 1, 1941 Bulgaria joins the Axis Powers. Jun 22, 1941 Germany joined by Axis allies and Finland attack the USSR. Nov 7, 1941 The Japanese launch a surprise attack on the U.S. naval base in Pearl Harbor, Hawaii. Nov 8, 1941 The United States declares war on Japan. Germany and Italy soon declare war on the United States Nov 8, 1941 The Japanese gain control over the Philippines, French Indochina, and Singapore Apr 9, 1942 The Bataan Death March begins as the Imperial Japanese Army forces Filipino and American prisoners of war to march 60 tortured-filled miles. May 4, 1942 The Battle of Guadalcanal May 4, 1942 The Battle of Coral Sea Jun 3, 1942 The Battle of Midway Jul 27, 1942 Battle of El Alamein Aug 23, 1942 Battle of Stalingrad Oct 23, 1942 2nd Battle of El Alamein Aug 23, 1943 Battle of Stalingrad Sep 3, 1943 Italy surrenders unconditionally. 1944 USSR gains control over the Baltic States (Estonia, Latvia, Lithuania), Jun 6, 1944 Operation Overlord, D-Day Dec 16, 1944 Battle of the Bulge Feb 4, 1945 Yalta Conference Mar 26, 1945 Battle of Iwo Jima Apr 1, 1945 Battle of Okinawa Apr 12, 1945 FDR dies, Harry Truman becomes President Apr 28, 1945 Mussolini is executed. Apr 30, 1945 Great Britain and France declare war on Germany. Apr 30, 1945 Hitler commits suicide. May 8, 1945 V-E Day Jul 10, 1945 Battle of Britain Jul 17, 1945 Potsdam Conference Aug 6, 1945 US drops an atomic bomb on Hiroshima. Aug 9, 1945 us drops an atomic bomb on Nagasaki. Aug 15, 1945 V-J Day Aug 28, 1945 Paris is liberated.