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World War Two starts
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The Manhattan Project begins with the goal of creating an atomic bomb
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FDR becomes the first president to visit a foreign country during wartime
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D-Day begins
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FDR is elected president for a fourth term
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US bombs Okinawa and it becomes the largest battle of the Pacific in WWII
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Harry Truman is sworn into office when FDR dies
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Hitler commits suicide.
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Atomic Bomb is dropped on Hiroshima and Nagasaki
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Japan surrenders ending WW2