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Treaty with The Yankton Sioux.
July 19, 1815

A treaty of peace and friendship, made and concluded at Portage des Sioux between William Clark, Ninian Edwards, and Auguste Chouteau, Commissioners Plenipotentiary of the United States of America, on the part and behalf of the said States, of the one part; and the undersigned Chiefs and Warriors of the Yancton Tribe of Indians, on the part and behalf of their said Tribe, of the other part.

THE parties being desirous of re-establishing peace and friendship between the United States and the said tribe, and of being placed in all things, and in every respect, on the same footing upon which they stood before the late war between the United States and Great Britain, have agreed to the following articles:

Article 1.

Every injury or act of hostility committed by one or either of the contracting parties against the other, shall be mutually forgiven and forgot.

Article 2.

There shall be perpetual peace and friendship between all the citizens of the United States of America, and all the individuals composing the said Yancton tribe, and all the friendly relations that existed between them before the war shall be, and the same are hereby, renewed.

Article 3.

The undersigned chiefs and warriors, for themselves and their said tribe, do hereby acknowledge themselves to be under the protection of the United States of Ameriea, and of no other nation, power, or sovereign, whatsoever.

In witness whereof, the said William Clark, Ninian Edwards, and Auguste Chouteau, commissioners as aforesaid, and the chiefs aforesaid, have hereunto subscribed their names and affixed their seals, this nineteenth day of July, in the year of our Lord one thousand eight hundred and fifteen, and of the independence of the United States the fortieth.

  • Wm. Clark, [L. S.]
  • Ninian Edwards, [L. S.]
  • Auguste Chouteau, [L. S.]
  • Monlori, or white bear, his x mark, [L. S.]
  • Waskaijingo, or little dish, his x mark, [L. S.]
  • Padamape, or panis sticker, his x mark, [L. S.]
  • Chaponge, or musquitoe, his x mark, [L. S.]
  • Mindalonga, partisan, or war chief, [L. S.]
  • Weopaatowechashla, or sun set, [L. S.]
  • Tokaymhominee, or the rock that turns, his x mark, [L. S.]
  • Keonorunco, or fast flyer, his x mark, [L. S.]
  • Mazo, or the iron, his x mark, [L. S.]
  • Haiwongeeda, or one horn, his x mark, [L. S.]
  • Mazehaio, or arrow sender, his x mark, [L. S.]

Done at the Portage des Sioux, in the presence of -

  • R. Wash, secretary to the commission,
  • John Miller, colonel, Third Infantry,
  • H. Dodge, brigadier-general Missouri Militia,
  • Manuel Lisa, agent,
  • Thomas Forsyth, Indian agent,
  • Maurice Blondeaux,
  • Jacques Mette,
  • John A. Cameron,
  • R. Paul, C. T. of the commission,
  • Louis Decouagne,
  • Cyrus Edwards,
  • Lewis Dorion,
  • John Hay, interpreter.

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