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Treaty

Sioux (Teton, Yankton, and Yanktonai) at Fort Look-out Near the Three Rivers of the Sioux Pass (1825)

On 22 June 1825 at Fort Look-out, Teton, Yankton and Yanktonai leaders acknowledged United States supremacy and agreed to licensed trade.

Signed
June 22, 1825
Senate
Ratified
Promises
0 of 1 broken or only partly kept

What happened

On 22 June 1825, at Fort Look-out near the three rivers of the Sioux pass, Brigadier General Henry Atkinson and Major Benjamin O'Fallon, Indian agent, signed a treaty for the United States with the chiefs, head men and warriors of the Teton, Yancton and Yanctonies bands of the Sioux tribe. The signature block lists Yanctons and Tetons separately.

In Article 1 of the treaty, the Teton, Yancton and Yanctonies bands admit that they live within the territorial limits of the United States, acknowledge its supremacy, and claim its protection, and they admit the right of the United States to regulate all trade and intercourse with them. In return the United States agrees to receive them into its friendship and under its protection, and to extend such benefits and acts of kindness as the President thinks convenient, just and proper.

Trade is to happen only at places the President designates, and only American citizens the United States has authorized may trade with them. The United States agrees to license traders under mild and equitable regulations; the tribe agrees to protect those traders and to arrest unauthorized outsiders. For injuries by individuals there is to be no private revenge. Chiefs must deliver accused persons to be punished under United States law, and try to recover stolen horses. The United States guarantees indemnity if its own citizens steal from them and the property cannot be recovered. The tribe also promises never to supply guns or ammunition to any nation not in amity with the United States.

The treaty cedes no land. The treaty was proclaimed on 6 February 1826.

What was promised, and what happened

  • Not known

    Receive the tribe into friendship and protection and extend such benefits as the President thinks proper. (Art. 2)

    extend to them, from time to time, such benefits and acts of kindness as may be convenient treaties.okstate.edu

Good to know. The promised protection and benefits were left to what the President found "convenient" and "just and proper", and the text gives only the U.S. commissioners' view.

Summarized with AI assistance from 4 sources and checked against their words; not yet reviewed by historians or by the nations. Report an error

What the sources say, and how this was checked

Well supported by the sources below.

  1. acknowledge their supremacy, and claim their protectionTreaty with the Teton, etc., Sioux, 1825, Tribal Treaties Database
  2. none but American citizens, duly authorized by the United States, shall be admitted to trade or hold intercourse withTreaty with the Teton, etc., Sioux, 1825, Tribal Treaties Database
  3. no private revenge or retaliation shall take placeTreaty with the Teton, etc., Sioux, 1825, Tribal Treaties Database
  4. Done at fort Look-out, near the three rivers of the Sioux passTreaty with the Teton, etc., Sioux, 1825, Tribal Treaties Database

Research notes. The protection and 'benefits' promise is conditioned on what the President finds 'convenient' and 'just and proper'; the sources cited do not show whether it was delivered. The text records the commissioners' view only, not the tribe's own account. The record's label spells the place 'Fort Lockout'; the text says 'fort Look-out'.

What happened next

Everything the record holds about this land and this treaty, in order: what earlier agreements said, what this one did, and what the United States, the courts and the nations did afterwards.

Who is doing the work today

The nations connected to this treaty come first, then groups returning land and defending treaty rights. Support goes directly to them.

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Sources

  1. treaties.okstate.edu/treaties/treaty-with-the-teton-etc-sioux-1825-0227reference work
    Done at fort Look-out, near the three rivers of the Sioux pass

Corrections to this record

  • The title was listed as “Sioux (Teton, Yankton, and Yanktonai) at Fort Lockout Near the Three Rivers of the Sioux Pass (1825)”; corrected from treaties.okstate.eduDone at fort Look-out, near the three rivers of the Sioux pass

Shapes are approximate and are not legal descriptions of land, title or jurisdiction.