The Modoc Nation, originally part of the Modoc people of northern California and southern Oregon, was forcibly relocated to Indian Territory (now Oklahoma) in the late 19th century after the Modoc War of 1872-1873.
The Delaware Nation, headquartered in Anadarko, Oklahoma, is one of the three federally recognized tribes of the Lenape people, who are also known as the Delaware.
The Ottawa Tribe of Oklahoma, headquartered in Miami, Oklahoma, descends from the Algonquian-speaking peoples originally located in the Great Lakes region. They were known for their role in the fur trade and their strategic alliances with French settlers in the 17th and 18th centuries.
The Seneca-Cayuga Tribe of Oklahoma, headquartered in Grove, Oklahoma, descends from the Iroquois Confederacy, also known as the Haudenosaunee, particularly the Seneca and Cayuga Nations.
