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Franklin D. Roosevelt signs Executive Order 9066.
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The first agreement to test atomic bombc is signed.
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The first successful nuclear chain reaction is produced and called the Manhattan Project.
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Franklin D. Roosevelt dedicates the Jefferson Memorial on Jefferson's 200th birthday aniversary.
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This law is signed into place and provides benefits to veterans.
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The US enters the United Nations
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President Truman gives the green light for atomic bombs, hiroshima and nagasaki to be dropped.
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FDR is elected President of the United States for a 4th term.
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July 26 Cold War: U.S. President Harry S. Truman signs the National Security Act of 1947 into law, creating the Central Intelligence Agency, the Department of Defense, the Joint Chiefs of Staff, and the National Security Council.
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Truman signs the marshall plan.
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Truman orders the development of the hydrogen bomb.
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The 22nd ammendment is ratified.
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The marshall plan runs out of time
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Dwight D. Eisenhower is elected President of the United States.
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The first and only artillery testing of the atomic bombs occurs.
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Sadly, President Roosevelt bites the dust on April 12, 1945