Historedia
Person

Charles E. Mix

Events
1
Episodes
4
Years
1857–1859

Every event in Historedia whose sources name Charles E. Mix, with the role they cite and all of that event’s episodes. This is not a biography, and mentions are grouped by name, so two people with the same name can share this page.

Events and episodes

  1. United States signs treaty with the Yankton Sioux

    1857–1859

    Role: U.S. Commissioner

    1. 1857 · Washington, D.C.Negotiation in Washington

      Yankton headmen traveled to Washington, D.C., in late 1857 to negotiate a treaty with the federal government.

    2. 19 April 1858 · Washington, D.C.Signing of the Treaty

      The treaty was signed on April 19, 1858, in Washington, D.C., by Charles E. Mix and Yankton chiefs.

    3. 16-26 February 1859 · U.S. GovernmentRatification and Authorization

      The Senate ratified the treaty on February 16, 1859, and President James Buchanan authorized it ten days later.

    4. 10 July 1859 · Charles Mix County, South DakotaRelocation to Reservation

      The Yankton Sioux vacated ceded lands and moved onto the newly created reservation on July 10, 1859.

Sources

  1. Yankton Treaty Wikipedia, revision of 2026-10-03
  2. Yankton Sioux Tribe Wikipedia, revision of 2026-10-02