1816 – The Treaty of St. Louis is signed in St. Louis, Missouri.
The Treaty of St. Louis of 1816 was treaty signed by Ninian Edwards, William Clark, and Auguste Chouteau for the United States and representatives of the Council of Three Fires (united tribes of Ottawa, Ojibwa, and Potawatomi) residing on the Illinois and Milwaukee rivers, signed on August 24, 1816 and proclaimed on December 30, 1816. Despite the name, the treaty was conducted at Portage des Sioux, Missouri, located immediately north of St. Louis, Missouri.
By signing the treaty, the tribes, their chiefs, and their warriors relinquished all right, claim, and title to land previously ceded to the United States by the Sac and Fox tribes on November 3, 1804 (see, 1804 Treaty, above), By signing, the united tribes also ceded a 20 mile strip of land to the United States, which connected Chicago and Lake Michigan with the Illinois River. In 1848, the Illinois and Michigan Canal was built on the ceded land and, in 1900, the Chicago Sanitary and Ship Canal.
http://en.wikipedia.org/wiki/Treaty_of_St._Louis#1816_-_Ottawa.2C_Ojibwa.2C_and_Potawatomi