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On September 1, 1939, Germany invades Poland, starting World War Two.
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On September 5, 1939, US officially declares neutrality after Great Britain, Australia, New Zealand, and France all declare war on Germany.
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On September 27, 1940, Germany, Italy, and Japan sign a pact, officially froming the Axis powers.
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On September 3, 1941, the first gas chamber was tested at Auschwitz.
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On December 7, 1941, Japan attacks Pearl Harbor. A day later, US declares war on the Axis powers.
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On September 8, 1943, Italy surrenders to the Allies. Shortly later, Italy declares war on Germany.
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On June 6, 1944, Allied forces land at Normandy. This day is known as D-Day.
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On April 6, 1945 and April 9, 1945, US drops 2 atomic bombs on Hiroshima and Nagasaki, Japan.
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On April 12, 1945, Franklin Delano Roosevelt dies while posing for a picture. Harry S. Truman is sworn in as president.
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On May 8, 1945, Germany surrenders, causing Victory in Europe day.
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On August 14, 1945, Japan surrenders to officially end World War Two.
