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Roosevelt's Reelections
He served four terms in office because of World War II. -
Truman steps into office
After Roosevelt suffered a stroke. -
Germany Surrenders World War II
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Hiroshima, Japan is bombed by the U.S.
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Nagasaki, Japan is bombed by the U.S.
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Soviet Union begins blockade of West Berlin
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Soviet Union detonates their first Atomic Bomb
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North Korea invades South Korea
The Korean War begins. -
Truman approves expansion to produce Uranium and Plutonium for Nuclear Weapons
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Election of Dwight D. Eisenhower