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Executive Order #9066 was signed by President Roosevelt. Allowed military officials to dismiss any personnel who seemed to be "non-American."
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The development of the first atomic bomb is signed into agreement between the Prime Minister of Great Britain, Winston Churchill, and President Franklin D. Roosevelt in Hyde Park, New York.
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President Franklin D. Roosevelt dedicates the Jefferson Memorial in Washington, D.C. on the 200th anniversary of Thomas Jefferson's birth.
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22nd of June, 1944 The G.I. Bill of Rights, which provides benefits to veterans, is signed into law.
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On January 2, 1945 Franklin D. Roosevelt became the 32nd President in the United States.
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On April 12, 1945, President Franklin D. Roosevelt passes away unexpectedly, and Vice President Harry S. Truman takes over as president and commander-in-chief of World War II.
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President Harry S. Truman authorizes the use of the atomic bomb in the bombing of Hiroshima on August 6, 1945.
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The Marshall Plan, which provides $15 billion in aid for 16 countries, is signed by President Harry Truman on April 3rd, 1948.
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The United States conducts its first and only nuclear artillery test on May 25, 1953, at the Nevada Test Site.