U.S. Border Control

  • The Naturalization Law of 1802

  • The Monroe Doctrine

  • U.S.-Mexican War starts

  • U.S.-Mexico War ends

  • Naturalization Act of 1855

  • Naturalization Act of 1870

  • Page Act

  • Puerto Rico invaded by the U.S.

  • Roosevelt Corollary to the Monroe Doctrine

  • Occupation of Haiti begins

  • The Immigration Act of 1917

  • Period: to

    'Gays' and 'lesbians' barred entry

  • The Good Neighbor Policy starts

  • Period: to

    The Bracero Program

  • The Bay of Pigs Invasion in Cuba

  • Immigration and Nationality Act of 1965

  • Chilean coup d'état

  • Supplemental Appropriations Act/Helms amendment

  • Period: to

    Peple with HIV denied entry

  • Matter of Toboso-Alfonso

  • Immigration Reform Act of 1990

  • Immigration Act of 1990

  • Period: to

    Defence of Marriage Act

  • U.S. Congress approves Plan Colombia

  • Venezuelan coup d'état attempt

  • HIV removed from a list of diseases that ban people from entering the U.S.