Treaty of October 17, 1855
On October 17, 1855, representatives of the Blackfoot, Flathead, Nez Percé, and other tribes signed a treaty with U.S. commissioners A. Cumming and Isaac I. Stevens near the Judith River in Nebraska. The treaty established perpetual peace among the tribes and with the U.S., delineating a shared hunting ground for 99 years and granting exclusive territory to the Blackfoot Nation. It outlined mutual responsibilities, the protection of Indian lands, and provisions for annual financial support and education, while promoting civility and forbidding hostilities.