Nation

Cheyenne and Arapaho Tribes · cheyenne and arapaho tribes · Cheyenne and Arapaho Tribes, Oklahoma · Hinono'ei · Tsistsistas

Cheyenne and Arapaho Tribes

Not yet reviewed by this nation. What follows comes from public records and research. It does not speak for the nation.

Official name
Cheyenne and Arapaho Tribes, Oklahoma
Recorded status
Listed by the Bureau of Indian Affairs (91 FR 4102, January 30, 2026)
Region
Oklahoma

In the record

The atlas records 2 broken treaty promises involving Cheyenne and Arapaho Tribes: Fort Wise (1861), Sand Creek (1864) and the Little Arkansas reparations (1865) and Fort Reno: military reserve carved from the Cheyenne and Arapaho reservation (1883-2026).

This nation carries the history of Arapaho and Cheyenne in the treaty record. Land has come back: Fort Reno return campaign (Cheyenne and Arapaho Tribes).

Written from the records linked here; open any of them for its sources. This is what the United States’ treaty record says, not the nation’s own account.

Treaty or agreementTreaty under documented pressureAct of CongressExecutive orderNot statedShapes from the 1899 federal record: approximate, not legal boundaries.

The record over time

178018001850190019502000todayTreatiesBlack Hills Agreement (Act of February 28, 1877), Lakota (1876)Treaty of Fort Wise (Arapaho and Cheyenne of the Upper Arkansas), 1861 (1861)Treaty of Little Arkansas (Cheyenne and Arapaho), 1865 (1865)Apache, Cheyenne, and Arapaho at Little Arkansas River, Kansas (1865) (1865)Treaty of Medicine Lodge (Cheyenne and Arapaho), 1867 (1867)Treaty of Fort Laramie (1868), Lakota (Sioux) and Arapaho (1868)Treaty with the Northern Cheyenne and Northern Arapaho (Fort Laramie), 1868 (1868)Treaty of Fort Laramie (Horse Creek), 1851 (1851)Cheyenne at Mouth of the Teton River (1825) (1825)Land takenLand of the Arapaho of Upper Arkansas and Cheyenne of Upper Arkansas in several states, ceded 1861 (area 426) (1861)Land of the Arapaho and Cheyenne in Colorado, ceded 1865 (area 477) (1865)Land of the Arapaho and Cheyenne in Oklahoma, ceded 1891 (area 525) (1891)Land of the Arapaho, Northern Cheyenne and others in several states, ceded 1876 (area 597) (1876)Land of the Arapaho, Northern Cheyenne and others in South Dakota, ceded 1876 (area 598) (1876)Promises brokenFort Wise (1861), Sand Creek (1864) and the Little Arkansas reparations (1865) (1864)Fort Reno: military reserve carved from the Cheyenne and Arapaho reservation (1883-2026) (1883)Fort Laramie 1851: Pike's Peak gold rush invades treaty territory (1858)Fort Laramie 1868 and the Black Hills: abrogation by the Act of Feb. 28, 1877 (1874)Land returnedFort Reno return campaign (Cheyenne and Arapaho Tribes) (1948)

Circles are land the United States recorded as ceded, sized by acres and colored by how it was taken. Bars are treaties, broken promises, court cases and land returns.

Names

Each name shows where it comes from. A nation’s own name is shown as the nation writes it.

Self-names

Land recorded as ceded

This nation carries the history of peoples named in Royce’s schedule. Their record:

Arapaho About 84 million acres recorded as ceded by the end of 1894
  • Treaty or agreement25 million
  • Treaty under documented pressure48 million
  • Act of Congress7 million
  • Executive order4 million

Estimate from Royce’s maps; overlapping cessions counted once. Not a survey or legal measure.

7 cessions. Follow Arapaho through the years on the map

Cheyenne About 56 million acres recorded as ceded by the end of 1894
  • Treaty or agreement4 million
  • Treaty under documented pressure48 million
  • Executive order4 million

Estimate from Royce’s maps; overlapping cessions counted once. Not a survey or legal measure.

5 cessions. Follow Cheyenne through the years on the map

Who is doing the work

Working with these nations

Native legal and land defense, nationally

Gifts go straight to each organization; this atlas takes nothing. Listing is not endorsement: how organizations are listed.

Connections

These links were matched automatically by name or date and have not yet been reviewed by a person.

Land recorded in this nation’s name 5, matched by the Forest Service, under review

Named in 3

Carries the treaty history of 2

Governed by 1

Sources

  1. cheyenneandarapaho-nsn.gov/reference work
    our way of life as Tsistsistas and Hinono'ei (Cheyenne and Arapaho) continues to evolve
  2. govinfo.gov/content/pkg/FR-2026-01-30/html/2026-01899.htmprimary record
    Cheyenne and Arapaho Tribes, Oklahoma
  3. federalregister.gov/documents/full_text/html/2026/01/30/2026-01899.htmlprimary record
    Cheyenne and Arapaho Tribes, Oklahoma
  4. Indian Entities Recognized by and Eligible To Receive Services From the BIA, 91 FR 4102 (Jan. 30, 2026)primary record
    Listed in 91 FR 4102 (Jan. 30, 2026).
Research notes

From org-cheyenne-arapaho-tribes.

Kind
Nation
Confidence
Medium
Nation review
Not yet reviewed by this nation

Correct this record