First convention of International Indian Treaty Council at Standing Rock

from wiki: The IITC was formed at a gathering on the land of the Standing Rock Sioux Tribe, in South Dakota, June 8–16, 1974. This gathering would later be known as the First International Indian Treaty Conference. This gathering, and the IITC which resulted from it, was called for by the American Indian Movement, and was attended by delegates from 97 Indian tribes and Nations from across North and South America.