WWII Timeline

  • Japan Shocked by signing of Nazi-Soviet Nonaggression Pact

    Japan Shocked by signing of Nazi-Soviet Nonaggression Pact

    Japan, which joined Germany in the Anti-Comintern Pact of 1936, which was directed against the Soviet Union, was outraged when Hitler signed a nonaggression pact with Stalin. However, in September 1940, Japan joined with Germany and Italy in the Tripartite Pact that created the Axis Powers.
  • German Invasion of Poland

    German Invasion of Poland

    After the Germans conquered Poland, they began a systematic destruction of Polish intellectuals and the ruling classes, and by the end of World War II had killed a total of three million Poles (in addition to an equal number of Polish Jews).
  • Britain and France declare war on Germany

    Britain and France declare war on Germany

    The British and French had given Poland guarantees of military support in the event of an attack by Germany.
  • Japan demands rights to resources in French Indochina

    Japan demands rights to resources in French Indochina

    In the summer of 1940, as a result of an agreement with the pro-German Vichy government of France, Japan gained access to raw materials from French Indochina.
  • Germany invades the Soviet Union

    Germany invades the Soviet Union

    For “Operation Barbarossa,” their campaign against the Soviet Union, the Germans assembled the largest invasion force in history, totaling almost 150 divisions (or about three million men), 3,000 tanks, 7,000 artillery pieces, and 2,500 aircraft. In addition, more than 30 divisions of Finnish and Romanian troops supported this massive German force.
  • United States Navy defeats Japanese at Battle of Midway Island

    United States Navy defeats Japanese at Battle of Midway Island

    American naval dive bombers fly in formation over the Midway atoll.
  • Allies and Germany battle for control over North Africa

    Allies and Germany battle for control over North Africa

    After a rapid advance across North Africa toward British-held Egypt, a German offensive was halted at el-Alamein during the summer of 1942. By mid-October, a British counteroffensive began to push the Germans back. In November, "Operation Torch," an Allied amphibious invasion, landed on the coasts of Morocco and Algiers. By May 1943, all of North Africa was in Allied control.
  • U.S. Air Force begins bombardment of Iwo Jima

    U.S. Air Force begins bombardment of Iwo Jima

    Intensive attacks using incendiaries were made against the Japanese positions on Iwo Jima, but the defenders were so well dug into the island’s caves that the bombing raids produced little effect.
  • Germany surrenders

    Germany surrenders

    Austrian SS chief Ernst Kaltenbrunner oversaw the Nazi concentration camps throughout Europe. Captured by a U.S. patrol shortly after the German surrender, he was indicted on August 29, 1945 by the international military tribunal at Nuremberg on charges of war crimes. Here Katlenbrunner is shown addressing the court during his trial. He was found guilty of crimes against humanity and executed on October 16, 1946.
  • United States drops atomic bombs on Japan

    United States drops atomic bombs on Japan

    The atomic bomb that was dropped on Hiroshima killed 70,000 people immediately; by the end of 1945 an additional 30,000 had died.