Treaty of Olympia

E819361

treaty

The Treaty of Olympia was an 1855 agreement between the United States and several Indigenous nations in what is now Washington State that ceded vast tribal lands while establishing reservations and limited rights for the signatory peoples.

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All labels observed (2)

Label	Occurrences
Treaty of Olympia (1855)	2
Treaty of Olympia canonical	1

How this entity was disambiguated

This entity first appeared as the object of triple T9769259 — 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 Olympia
Context triple: [Quinault people, treaty, Treaty of Olympia]

A. Treaty of 442
The Treaty of 442 was a late Roman-era agreement, likely involving territorial or political arrangements within the Western Roman Empire following earlier 5th-century treaties.
B. Treaty of Phoenice
The Treaty of Phoenice was the 205 BC peace agreement that ended the First Macedonian War by recognizing Philip V of Macedon’s gains while restoring a balance of power between Macedon and Rome in the Greek world.
C. Fort Jackson Treaty
The Fort Jackson Treaty was an 1814 agreement in which the United States forced the Creek Nation to cede vast territories in the Southeast following their defeat in the Creek War.
D. Treaty of Chicago
The Treaty of Chicago was an 1833 agreement in which several Native American tribes, including the Potawatomi, ceded large areas of land around the Great Lakes to the United States, paving the way for extensive American settlement in the region.
E. Nvarsak Treaty
The Nvarsak Treaty was a 5th-century agreement between the Sasanian Empire and Armenian nobles that granted religious freedom to Christian Armenians and curtailed Zoroastrian persecution.
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 Olympia
Target entity description: The Treaty of Olympia was an 1855 agreement between the United States and several Indigenous nations in what is now Washington State that ceded vast tribal lands while establishing reservations and limited rights for the signatory peoples.

A. Treaty of 442
The Treaty of 442 was a late Roman-era agreement, likely involving territorial or political arrangements within the Western Roman Empire following earlier 5th-century treaties.
B. Treaty of Phoenice
The Treaty of Phoenice was the 205 BC peace agreement that ended the First Macedonian War by recognizing Philip V of Macedon’s gains while restoring a balance of power between Macedon and Rome in the Greek world.
C. Fort Jackson Treaty
The Fort Jackson Treaty was an 1814 agreement in which the United States forced the Creek Nation to cede vast territories in the Southeast following their defeat in the Creek War.
D. Treaty of Chicago
The Treaty of Chicago was an 1833 agreement in which several Native American tribes, including the Potawatomi, ceded large areas of land around the Great Lakes to the United States, paving the way for extensive American settlement in the region.
E. Nvarsak Treaty
The Nvarsak Treaty was a 5th-century agreement between the Sasanian Empire and Armenian nobles that granted religious freedom to Christian Armenians and curtailed Zoroastrian persecution.
F. None of above. chosen

Statements (25)

Predicate	Object
instanceOf	treaty ⓘ
appliesToJurisdiction	Washington Territory NERFINISHED ⓘ present-day Washington State ⓘ
country	United States of America ⓘ surface form: United States
date	1855 ⓘ
effect	cession of vast tribal lands ⓘ creation of reservations ⓘ limitation of rights for signatory Indigenous peoples ⓘ
follows	earlier U.S.–Indigenous treaties in the Pacific Northwest ⓘ
genre	international agreement ⓘ
hasConsequences	long-term impacts on Indigenous sovereignty in Washington region ⓘ reduction of Indigenous land base in Washington region ⓘ
language	English ⓘ
legalStatus	ratified agreement of the United States government ⓘ
location	Washington Territory NERFINISHED ⓘ present-day Washington State ⓘ
mainSubject	Indigenous land rights ⓘ land cession ⓘ reservation establishment ⓘ
partOf	United States–Indigenous treaties in the 19th century ⓘ
purpose	to establish reservations for signatory Indigenous peoples ⓘ to secure land cessions from Indigenous nations ⓘ
signatory	Indigenous nations in Washington Territory ⓘ United States NERFINISHED ⓘ
temporalCoverage	1855 ⓘ

How these facts were elicited

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Quinault people → treaty → Treaty of Olympia ⓘ

Quileute people → treatySignatory → Treaty of Olympia ⓘ

this entity surface form: Treaty of Olympia (1855)

Quileute → treaty → Treaty of Olympia ⓘ