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The Sioux are a native North American nation who inhabited the Great Plains region of, roughly, modern Colorado, Montana, Nebraska, North Dakota, South Dakota, and Wyoming. They are one of the many nations referred to as Plains Indians who lived in the region for approximately 13,000 years before the arrival of the Europeans in the 17th century.

More about: Sioux


  • c. 13000 BCE - 1890 CE
    The Sioux nation lives freely in North America.
  • c. 1700 CE
    The Sioux nation has mastered the horse; becomes part of the "Horse Culture" of the Plains Indians.
  • 1854 CE - 1890 CE
    The Sioux Wars steadily drive the Sioux nation onto reservations.
  • 1866 CE - 1868 CE
    Red Cloud's War.
  • 1873 CE
    Red Cloud moves his people to reservation.
  • 1874 CE - 1909 CE
    Red Cloud advocates for Sioux rights to the Black Hills and Native American rights.
  • 1876 CE
    Cheyenne and Arapaho join with Sioux in the great victory at the Battle of the Little Bighorn.