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Thomas Jefferson takes his seat as the third U.S. president, where he will stay until 1809.
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Jefferson buys Louisiana from France, doubling the size of the country in one barely-constitutional action.
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U.S. explorers Lewis and Clark head west on their two year, 8,000-mile expedition, to explore the new Louisiana Purchase territory.
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U.S. founding fathers Aaron Burr and Alexander Hamilton fight a duel; Hamilton is killed and Burr is ruined.
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U.S. founding fathers Aaron Burr and Alexander Hamilton fight a duel; Hamilton is killed and Burr is ruined.
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At the Battle of Tippecanoe, Indigenous peoples led by Tecumseh fight and lose a major battle opposing White settlement.
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The British burn the White House and the Capitol, but first lady Dolley Madison saves the Gilbert Stuart portrait of George Washington.
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The Missouri Compromise precariously balancing the practice of enslavement holds the Union together, temporarily at least.
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The Erie Canal opens, making New York the Empire State.
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An English-born house painter attempts to assassinate the president but Andrew Jackson beats him up.
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A tragic siege at the Alamo becomes a legendary battle in the Texas War for Independence.
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U.S. President James K. Polk confirms that quantities of gold have been discovered and Gold Fever strikes thousands who rush to California.
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U.S. abolitionist and writer Harriet Beecher Stowe publishes Uncle Tom’s Cabin as a book and sells 300,000 copies in its first year.
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The Kansas-Nebraska Act breaks the previous compromises over enslavement.
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The upstart politician Abraham Lincoln debates Stephen A. Douglas, in a series of debates that included enslavement in the country.
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Abolitionist John Brown leads a raid on Harper's Ferry, Virginia, hoping to initiate a revolt of enslaved people that would put America back on the path to war.
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The United States is torn by the Civil War.
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Five days after the war ends, President Lincoln is assassinated.
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A hero of the Civil War, Ulysses S. Grant (1822–1885) becomes president of the United States.
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President U.S. Grant establishes Yellowstone Park as the first National Park.
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Lt. Colonel George A. Custer meets his end in an ill-considered fight with assembled Indigenous troops at the Battle of the Little Bighorn.
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Rutherford B. Hayes wins the hotly contested 1876 presidential election, although not the popular vote.