The OIN was a party to land claim suits against the state of New York for treaties and purchases it made after the American Revolutionary War without ratification by the United States Congress, as required under the US Constitution. Three other federally recognized Oneida tribes operate in locations where they migrated or were removed to during and after the American Revolutionary War: one in Wisconsin in the United States, and two in Ontario, Canada. The Oneida are known as 'America's first allies' as they were the first, and one of the few, Iroquois nations to support the American cause.

They are Iroquoian-speaking people, and one of the Five Nations of the Iroquois Confederacy, or Haudenosaunee. The tribe is headquartered in Verona, New York, where the tribe originated and held territory prior to European colonialism, and continues to hold territory today. The Oneida Indian Nation (OIN) or Oneida Nation is a federally recognized tribe of Oneida people in the United States. Kai'hwi'io, Kanoh'hon'io, Kahni'kwi'io, Christianity, Longhouse Religion, Other Indigenous Religion Onyota'aka, English, other Iroquoian languages Six Nations of the Grand River, Seneca Nation, Onondaga Nation, Tuscarora Nation, Mohawk Nation, Cayuga Nation, other Iroquoian peoples Oneida Nation of Wisconsin, Oneida Nation of the Thames,

United States Oneida County, Vernon, NY, Madison County, Verona, New York Oneida Indian Nation of New York Tribal Seal

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