History Timeline

By colewehling

  • Formation of United States

    Formation of United States
  • Period: to

    Westward Expansion

  • Treaty of Paris

    Treaty of Paris
    Official Borders of US set

  • Louisiana Purchase

    Louisiana Purchase

  • Mexican War of Independence

    Mexican War of Independence

  • Gadsden Purchase

    Gadsden Purchase
  • Period: to

    Ellis Island Open for Immigrants

  • Period: to

    World War 1

  • Start of Border Patrol

    Start of Border Patrol

  • INS Formed

    INS Formed
  • Period: to

    World War 2

  • Attack on Pearl Harbor

    Attack on Pearl Harbor
  • Period: to

    Massive Increase in Immigration

  • 9/11 Terrorist Attacks

    9/11 Terrorist Attacks

  • DHS takes over Border Protection

    DHS takes over Border Protection