Fort Laramie Treaty of 1851

E100989

United States–Native American treaty treaty

The Fort Laramie Treaty of 1851 was a landmark agreement between the United States and several Plains tribes, including the Sioux, that attempted to establish territorial boundaries and ensure safe passage for settlers moving west.

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All labels observed (2)

Label	Occurrences
Treaty of Fort Laramie (1851)	11
Fort Laramie Treaty of 1851 canonical	5

How this entity was disambiguated

This entity first appeared as the object of triple T855499 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: Fort Laramie Treaty of 1851
Context triple: [Sioux people, historicalEvent, Fort Laramie Treaty of 1851]

A. Treaty of Fort Finney
The Treaty of Fort Finney was a 1786 agreement in which several Shawnee leaders ceded large tracts of land in the Ohio River Valley to the United States, helping set the stage for escalating conflicts that became the Northwest Indian War.
B. Treaty of 1837 with the United States
The Treaty of 1837 with the United States was an agreement in which the Ho-Chunk (Winnebago) Nation ceded large portions of their ancestral lands in the Upper Midwest to the U.S. government, contributing to their forced removal and displacement.
C. Sand River Convention
The Sand River Convention was an 1852 agreement by which Britain recognized the independence of the Boer settlers in the Transvaal region of southern Africa.
D. Gadsden Purchase agreement
The Gadsden Purchase agreement was an 1853 treaty between the United States and Mexico in which the U.S. bought a strip of land in present-day southern Arizona and New Mexico to facilitate a southern transcontinental railroad and finalize the continental border.
E. Treaty of Fort McIntosh
The Treaty of Fort McIntosh was a 1785 agreement between the United States and several Native American nations that ceded large tracts of land in the Ohio Country to U.S. control, helping set the stage for further conflict in the Northwest Indian War.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: Fort Laramie Treaty of 1851
Target entity description: The Fort Laramie Treaty of 1851 was a landmark agreement between the United States and several Plains tribes, including the Sioux, that attempted to establish territorial boundaries and ensure safe passage for settlers moving west.

A. Treaty of Fort Finney
The Treaty of Fort Finney was a 1786 agreement in which several Shawnee leaders ceded large tracts of land in the Ohio River Valley to the United States, helping set the stage for escalating conflicts that became the Northwest Indian War.
B. Treaty of 1837 with the United States
The Treaty of 1837 with the United States was an agreement in which the Ho-Chunk (Winnebago) Nation ceded large portions of their ancestral lands in the Upper Midwest to the U.S. government, contributing to their forced removal and displacement.
C. Sand River Convention
The Sand River Convention was an 1852 agreement by which Britain recognized the independence of the Boer settlers in the Transvaal region of southern Africa.
D. Gadsden Purchase agreement
The Gadsden Purchase agreement was an 1853 treaty between the United States and Mexico in which the U.S. bought a strip of land in present-day southern Arizona and New Mexico to facilitate a southern transcontinental railroad and finalize the continental border.
E. Treaty of Fort McIntosh
The Treaty of Fort McIntosh was a 1785 agreement between the United States and several Native American nations that ceded large tracts of land in the Ohio Country to U.S. control, helping set the stage for further conflict in the Northwest Indian War.
F. None of above. chosen

Statements (47)

Predicate	Object
instanceOf	United States–Native American treaty ⓘ treaty ⓘ
alsoKnownAs	Horse Creek Treaty ⓘ
countrySignatory	United States of America ⓘ surface form: United States
definedTerritoryFor	Assiniboine people ⓘ surface form: Assiniboine, Mandan, Hidatsa, and Arikara Cheyenne people ⓘ surface form: Cheyenne and Arapaho Crow Nation ⓘ Lakota ⓘ surface form: Lakota Sioux
effectOn	formalized U.S. recognition of certain tribal lands ⓘ increased U.S. military and emigrant presence in the Plains ⓘ
followedBy	Fort Laramie Treaty of 1868 ⓘ
historicalContext	Plains Indians ⓘ surface form: Plains Indian–United States relations westward expansion of the United States ⓘ
impact	became a reference point in later land and treaty disputes ⓘ its terms were frequently violated by the United States ⓘ
language	English ⓘ
legalStatus	ratified by the United States Senate ⓘ
locationNow	near present-day Fort Laramie, Wyoming ⓘ
NativeAmericanSignatory	Arapaho people ⓘ surface form: Arapaho Arikara ⓘ Assiniboine ⓘ Cheyenne ⓘ Crow ⓘ Hidatsa people ⓘ surface form: Hidatsa Lakota ⓘ surface form: Lakota Sioux Mandan ⓘ
negotiatedBy	United States federal officials ⓘ surface form: United States Indian agents representatives of Plains tribes ⓘ
partOf	United States–Native American treaties ⓘ surface form: United States Indian treaty system
providedFor	annual annuity payments to tribes ⓘ recognition of tribal territories by the United States ⓘ
purpose	to ensure safe passage for settlers on westward trails ⓘ to establish territorial boundaries for Plains tribes ⓘ to protect emigrant routes such as the Oregon Trail ⓘ to reduce intertribal warfare ⓘ
relatedTo	California Trail ⓘ Mormon Trail ⓘ Oregon Trail ⓘ
requiredFromTribes	cessation of hostilities among signatory tribes ⓘ guarantee of safe passage for emigrants ⓘ protection of roads and military posts ⓘ
signedAt	Fort Laramie ⓘ
signedIn	1851 ⓘ
signedOn	September 17, 1851 ⓘ
subjectMatter	land rights ⓘ sovereignty and jurisdiction ⓘ trade and annuities ⓘ

How these facts were elicited