WW2 Timeline By KieleeC Apr 1, 1934 Battle of Okinawa Aug 23, 1939 Germany and the Soviet Union (USSR) sugn the Nazi-Soviet pact. Sep 1, 1939 Germany attacks Poland Sep 3, 1939 Battle of the Atlantic Sep 3, 1939 Great Brtain and France declare war on Germany Sep 17, 1939 USSR gains control over the Baltic States. Nov 30, 1939 Winter War between USSR and Finland. War ends when Finland cedes border lands to USSR. 1940 Solvakia, Hungary, Romania join the axis powers. Apr 9, 1940 Germany invades and captures Denmark and Norway May 9, 1940 Germany attacks Western Europe. Luxembourg, Netherlands, Belgium, and Northern France fall Jun 10, 1940 Italy joins the war and, on june 27th, invades Southern France Jul 16, 1940 Battle of Britain Sep 13, 1940 Italy invades British controlled Egypt Sep 27, 1940 Germany, Italy, and Japan sign the Tripartite Pact Oct 28, 1940 Italy invades Greece 1941 German Afrika Korps are sent to North Africa to reinforce to Italians Mar 1, 1941 Bulgaria joins the axis powers Jun 22, 1941 Germany joined by axis allies and Finland attack the USSR Dec 7, 1941 The United States declares a war on Japan. Germany and Italy soon declare war on the Unites States Dec 8, 1941 The Japanese launch a surprise attack on the U.S. naval base in Pearl Harbour, Hawaii 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 Theh battle of Coral Sea Jun 3, 1942 The battle of midway Aug 7, 1942 The battle of Guadalcanal Aug 19, 1942 Battle of Stalingrad Oct 23, 1942 2nd battle of El Alamein Sep 3, 1943 Italy surrenders unconditionally Jun 6, 1944 Operation overlord, D-day Aug 25, 1944 Paris is liberated Dec 16, 1944 Battle of the Bulge Feb 4, 1945 Yalta Conference Feb 19, 1945 Battle of Iwo Jima Apr 12, 1945 FDR dies, Harry Truman becomes president Apr 28, 1945 Mussolini is executed Apr 30, 1945 Hitler commits suicide May 8, 1945 V-E Day Jul 17, 1945 potsdam conference Aug 6, 1945 U.S. drops an atomic bomb on Nagaski Aug 9, 1945 U.S. drops atomic bomb in Hiroshima Aug 15, 1945 V-J Day Jul 1, 1947 1st Battle of El Alamein