Treaty of Walla Walla (1855)

E304885

United States–Native American treaty treaty

The Treaty of Walla Walla (1855) was an agreement between the U.S. government and several Plateau tribes, including the Yakama, Walla Walla, Cayuse, and Umatilla, that ceded vast Indigenous lands in the Pacific Northwest in exchange for reservations and other promised provisions.

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All labels observed (5)

Label	Occurrences
Treaty of 1855	7
Treaty of 1855 with the United States	2
Treaty of Walla Walla (1855) canonical	1
Walla Walla Council treaties	1
Walla Walla Treaty of 1855	1

How this entity was disambiguated

This entity first appeared as the object of triple T2796551 — 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: Treaty of Walla Walla (1855)
Context triple: [United States–Native American treaties, hasPart, Treaty of Walla Walla (1855)]

A. Treaty of 1855
The Treaty of 1855 was an agreement between the United States and the Nez Perce that established a reservation and recognized certain tribal rights while ceding large areas of the tribe’s traditional lands.
B. Treaty of Point Elliott
The Treaty of Point Elliott was an 1855 agreement in Washington Territory in which several Coast Salish tribes ceded large portions of their ancestral lands to the United States in exchange for reservations, fishing rights, and other guarantees.
C. Treaty of Medicine Creek
The Treaty of Medicine Creek was an 1854 agreement in Washington Territory in which several Coast Salish tribes ceded large portions of their ancestral lands to the United States in exchange for reservations, fishing rights, and other provisions.
D. Treaty of Point No Point
The Treaty of Point No Point was an 1855 agreement between the United States and several Native American tribes in the Puget Sound region that ceded tribal lands in exchange for reservations, payments, and fishing rights.
E. Oregon Treaty of 1846
The Oregon Treaty of 1846 was an agreement between the United States and Great Britain that peacefully settled their competing claims in the Pacific Northwest by establishing the 49th parallel as the boundary west of the Rocky Mountains.
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: Treaty of Walla Walla (1855)
Target entity description: The Treaty of Walla Walla (1855) was an agreement between the U.S. government and several Plateau tribes, including the Yakama, Walla Walla, Cayuse, and Umatilla, that ceded vast Indigenous lands in the Pacific Northwest in exchange for reservations and other promised provisions.

A. Treaty of 1855
The Treaty of 1855 was an agreement between the United States and the Nez Perce that established a reservation and recognized certain tribal rights while ceding large areas of the tribe’s traditional lands.
B. Treaty of Point Elliott
The Treaty of Point Elliott was an 1855 agreement in Washington Territory in which several Coast Salish tribes ceded large portions of their ancestral lands to the United States in exchange for reservations, fishing rights, and other guarantees.
C. Treaty of Medicine Creek
The Treaty of Medicine Creek was an 1854 agreement in Washington Territory in which several Coast Salish tribes ceded large portions of their ancestral lands to the United States in exchange for reservations, fishing rights, and other provisions.
D. Treaty of Point No Point
The Treaty of Point No Point was an 1855 agreement between the United States and several Native American tribes in the Puget Sound region that ceded tribal lands in exchange for reservations, payments, and fishing rights.
E. Oregon Treaty of 1846
The Oregon Treaty of 1846 was an agreement between the United States and Great Britain that peacefully settled their competing claims in the Pacific Northwest by establishing the 49th parallel as the boundary west of the Rocky Mountains.
F. None of above. chosen

Statements (49)

Predicate	Object
instanceOf	United States–Native American treaty ⓘ treaty ⓘ
alsoKnownAs	Walla Walla Treaty of 1855 ⓘ linked to: Treaty of Walla Walla (1855)
appliesToEthnicGroup	Cayuse people ⓘ Nez Perce people ⓘ linked to: Nez Perce Umatilla people ⓘ Walla Walla people ⓘ Yakama people ⓘ linked to: Yakima (Yakama) people
appliesToJurisdiction	Oregon Territory ⓘ linked to: Oregon Country Washington Territory ⓘ
continent	North America ⓘ
country	United States of America ⓘ
effect	cession of large areas of Plateau tribal lands ⓘ confinement of tribes to reservations ⓘ
followedBy	later amendments and agreements affecting Plateau tribes ⓘ
granted	Nez Perce Reservation ⓘ Umatilla Indian Reservation ⓘ Yakama Reservation ⓘ linked to: Yakama Indian Reservation
hasLegalForceIn	present-day Oregon State ⓘ present-day Washington State ⓘ
language	Chinook Jargon ⓘ English ⓘ
legalStatus	ratified by United States Senate ⓘ
location	Walla Walla Valley ⓘ Washington Territory ⓘ
mainSubject	fishing rights ⓘ gathering rights ⓘ hunting rights ⓘ land cession ⓘ reservation system ⓘ
negotiatedBy	Isaac I. Stevens ⓘ linked to: Isaac Ingalls Stevens Joel Palmer ⓘ
partOf	Stevens Treaties ⓘ linked to: Treaty of Point No Point
providedFor	agricultural assistance ⓘ annuities ⓘ blacksmith shops ⓘ medical services ⓘ schools ⓘ
region	Pacific Northwest ⓘ
signatory	Cayuse people ⓘ Nez Perce people ⓘ linked to: Nez Perce Umatilla people ⓘ United States government ⓘ Walla Walla people ⓘ Yakama Nation ⓘ
signingDate	1855-06-09 ⓘ
timePeriod	19th century ⓘ
topic	federal Indian policy ⓘ tribal sovereignty ⓘ

How these facts were elicited