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The second federal censuswas taken and made the population to be about 5.3 million, and about 50% were slaves.
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The United States electoral congress decided the winner of the election of 1800. The election was rejected, and after a series of votes in the U.S. House of Representatives Thomas Jefferson was declared the winner over Aaron Burr and John Adams.
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Thomas Jefferson won the election of 1800, which was finally resolved in the U.S. House of Representatives.
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The U.S. Military Academy opened at West Point, New York.