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Japan invades Manchuria.
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Italy invades, conquers, and annexes Ethiopia.
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Rome-Berlin Axis is announced
Nazi Germany and Fascist Italy join forces. -
Nazi Germany and Imperial Japan sign the Anti-Comintern Pact
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Japan invades China. Begins World War II in Pacific.
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France and Great Britain guarantee the integrity of Poland's borders
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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
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Soviet Union invades Poland from the east
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Warsaw surrenders.
Germany and the Soviet Union divide Poland between them. -
Italy enters the war
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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.
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Nazi Germany and its Axis partners invade the Soviet Union.
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The Soviet Union launches a counteroffensive
A Soviet counteroffensive drives the Germans from the Moscow suburbs in chaotic retreat. -
Japan bombs Pearl Harbor
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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.
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Germany surrenders to the western Allies.
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Germany surrenders to the Soviets.
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The United States drops an atomic bomb on Hiroshima.
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The Soviet Union declares war on Japan and invades Manchuria.
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The United States drops an atomic bomb on Nagasaki.
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Japan formally surrenders, ending World War II.