Native American tribes in Nebraska in Macy, with the Winnebago Tribal Council in nearby Winnebago. The offices of the Ponca Tribe of Nebraska and the Santee Sioux Tribal Council offices are in Niobrara. The Bureau of Indian Affairs office serving Nebraska is located in Aberdeen, South Dakota, while the Winnebago Agency office serves the Omaha and Winnebago. Native American tribes in Nebraska Native American tribes in the U.S. state of Nebraska have been Plains Indians, descendants of succeeding cultures of indigenous peoples who have occupied the area for thousands of years. More than 15 historic tribes have been identified as having lived in, hunted in,
Native American Day designed to promote greater understanding and brotherhood between American Indians and the non-Indian people of the state of Tennessee". Native American Day Native American Day is a holiday in the U.S. states of California and Nevada celebrated annually on the fourth Friday of September, as well as in South Dakota on the second Monday in October in lieu of Columbus Day. It honors Native American cultures and contributions to their respective states and the United States. The state of Tennessee observes a similar American Indian Day each year on the fourth Monday of September. In 1968, Governor Ronald Reagan signed