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Ronald Reagan is inaugurated President.
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Reagan signs the nation's first comprehensive nuclear waste legislation.
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A U.S. political scandal in which the National Security Council (NSC) became involved in secret weapons transactions and other activities that either was prohibited by the U.S. Congress or violated the stated public policy of the government.
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A major nuclear accident occurs at Chernobyl Reactor #4 near Pripyat, Ukraine in the Soviet Union.
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Secretary Herrington announces President Reagan's approval of the construction of the (SSC), the world's largest and most advanced particle accelerator.
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George Bush is inaugurated President.
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President Bush proclaims the end of the Cold War as the Soviet Union falls.
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Bill Clinton is elected president.
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George W. Bush becomes president.
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The September 11th attacks on the world trade center resulted in the single most significant terrorist attack in United States history.