Land Cessions in Illinois:

Name: Treaty with the Sac and Fox Nations of Indians

Date: November 3, 1804

Location and Extent:

Beginning at a point on the Missouri river opposite to the mouth of the Gasconade river; thence in a direct course so as to strike the river Jeffreon at the distance of thirty miles from its mouth, and down the said Jeffreon to the Mississippi, thence up the Mississippi to the mouth of the Ouisconsing river and up the same to a point which shall be thirty-six miles in a direct line from the mouth of the said river, thence by a direct line to the point where the Fox river (a branch of the Illinois) leaves the small lake called Sakaegan, thence down the Fox river to the Illinois river, and down the same to the Mississippi.

Modern Counties Affected:

Rock Island, Jo Daviess, Stephenson, Winnebago, Boone McHenry, Carroll, Ogle, Dekalb, Kane, Kendall, La Salle, Bureau, Henry, Mercer, Henderson, Warren, Knox, Stark, Peoria, Marshall, Fulton, Schuyler, Brown, Pike, Calhoun, Hancock, Adams

Compensation:

• $1000 per year ($600 for the Sauks, $400 for the Mesquakies)
• "Protection" from depredations from other Natives and from American settlers

Participants: "the United States of America and the United tribes of Sac and Fox Indians"

Commentary:

This is the much-contested treaty that would eventually lead to the Black Hawk War.