World War II

  • Japan invades Manchuria.

  • Italy invades, conquers, and annexes Ethiopia.

  • Rome-Berlin Axis is announced

    Nazi Germany and Fascist Italy join forces.
  • Nazi Germany and Imperial Japan sign the Anti-Comintern Pact

  • Japan invades China. Begins World War II in Pacific.

  • France and Great Britain guarantee the integrity of Poland's borders

  • Nazi Germany and Soviet Union sign non-agression agreement

    Agreement to divide Eastern Europe
  • Germany invades Poland

    Begins World War II in Europe
  • Great Britain and France declare war on Germany

  • Soviet Union invades Poland from the east

  • Warsaw surrenders.

    Germany and the Soviet Union divide Poland between them.
  • Italy enters the war

  • Germany attacks western Europe

    France signs an armistice agreement by which the Germans occupy the northern half of the country and the entire Atlantic coastline.
  • Germany, Italy, and Japan sign the Tripartite Pact.

  • Nazi Germany and its Axis partners invade the Soviet Union.

  • The Soviet Union launches a counteroffensive

    A Soviet counteroffensive drives the Germans from the Moscow suburbs in chaotic retreat.
  • Japan bombs Pearl Harbor

  • The United States declares war on Japan

    The United States declares war on Japan, entering World War II.
  • The Fascist Grand Council deposes Benito Mussolini

    Enables Italian marshall Pietro Badoglio to form a new government.
  • Italy surrenders to the Allies

    The Badoglio government surrenders unconditionally to the Allies.
  • British and US troops successfully land on Normandy

    British and US troops successfully land on the Normandy beaches of France, opening a “Second Front” against the Germans.
  • Allied troops reach Paris.

    On August 25, Free French forces, supported by Allied troops, enter the French capital. By September, the Allies reach the German border; by December, virtually all of France, most of Belgium, and part of the southern Netherlands are liberated.
  • The Soviets launch their final offensive

    The Soviets launch their final offensive, encircling Berlin.
  • Hitler commits suicide.

  • Germany surrenders to the western Allies.

  • Germany surrenders to the Soviets.

  • The United States drops an atomic bomb on Hiroshima.

  • The Soviet Union declares war on Japan and invades Manchuria.

  • The United States drops an atomic bomb on Nagasaki.

  • Japan formally surrenders, ending World War II.