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Timeline Important Dates In U.S History

  • Declaration Of Independence

    Declaration Of Independence
    The Declaration of Independence summarized the colonists' injustice against the British government and their desire for self-governance.
  • Constitution of the United States of America

    Constitution of the United States of America
    Ratified in 1788, the United States Constitution is the worlds longest surviving written charter of government.
  • Whiskey Rebellion

    Whiskey Rebellion
    The Whiskey Rebellion was a violent tax protest during the presidency of George Washington. The "whiskey tax" was the first tax imposed on a domestic product by the newly formed federal government.
  • Louisiana Purchase

    Louisiana Purchase
    The United States purchased 828,000 square miles of land west of the Mississippi River for $15 million. The U.S. doubled its size, expanding the nation westward.
  • Monroe Doctrine

    Monroe Doctrine
    Separate spheres of influence for the Americas and Europe, non-colonization, and non-intervention, were designed to signify a clear break between the New World and the autocratic realm of Europe.
  • Battle of New Orleans

    Battle of New Orleans
    This was a remarkable American victory. The British gambled and lost on a forward attack that sent a force of 5,300 against about 4,000 Americans dug into fortified mud and cotton bale earthworks on the east bank of the Mississippi.
  • Treaty of Guadalupe Hidalgo

     Treaty of Guadalupe Hidalgo
    The Treaty of Guadalupe Hidalgo, which brought an official end to the Mexican-American War, was signed on February 2, 1848, at Guadalupe Hidalgo, a city to which the Mexican government had fled with the advance of U.S. forces.
  • Dred Scott Decision

     Dred Scott Decision
    A final decision was delivered on March 6, 1857. Eight of the nine justices wrote separate opinions. Seven justices, primarily pro-Southern, followed individual lines of reasoning that led to a shared opinion that, by law, Dred Scott was still a slave. Chief Justice Roger B.
  • Battle of Gettysburg

     Battle of Gettysburg
    The Battle of Gettysburg was fought July 1–3, 1863, in and around the town of Gettysburg, Pennsylvania, by Union and Confederate forces during the American Civil War. The battle involved the largest number of casualties of the entire war and is often described as the war's turning point.
  • Battle of the Little Bighorn

    Battle of the Little Bighorn
    The Battle of the Little Bighorn was fought along the ridges, steep bluffs, and ravines of the Little Bighorn River, in south-central Montana on June 25-26, 1876.