Oregon Treaty of 1846

E199577

bilateral treaty boundary treaty international agreement

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.

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All labels observed (5)

Label	Occurrences
Oregon Treaty	4
Oregon Treaty of 1846 canonical	4
Oregon Boundary Treaty	1
Oregon boundary dispute	1
Treaty of Washington (1846)	1

How this entity was disambiguated

This entity first appeared as the object of triple T1763999 — 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: Oregon Treaty of 1846
Context triple: [United States territorial expansion, significantEvent, Oregon Treaty of 1846]

A. Convention of 1818
The Convention of 1818 was an agreement between the United States and Great Britain that settled parts of the U.S.-Canada boundary and established joint occupation of the Oregon Country.
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. Rush–Bagot Agreement
The Rush–Bagot Agreement was an 1817 accord between the United States and Great Britain that largely demilitarized the Great Lakes and marked a significant step toward peaceful relations and disarmament along the U.S.-Canadian border.
D. 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.
E. Treaty of Prairie du Chien
The Treaty of Prairie du Chien was a series of early 19th-century agreements between the United States and several Native American nations in the Upper Midwest that redefined tribal boundaries and ceded large areas of Indigenous land to the U.S. government.
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: Oregon Treaty of 1846
Target entity description: 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.

A. Convention of 1818
The Convention of 1818 was an agreement between the United States and Great Britain that settled parts of the U.S.-Canada boundary and established joint occupation of the Oregon Country.
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. Rush–Bagot Agreement
The Rush–Bagot Agreement was an 1817 accord between the United States and Great Britain that largely demilitarized the Great Lakes and marked a significant step toward peaceful relations and disarmament along the U.S.-Canadian border.
D. 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.
E. Treaty of Prairie du Chien
The Treaty of Prairie du Chien was a series of early 19th-century agreements between the United States and several Native American nations in the Upper Midwest that redefined tribal boundaries and ceded large areas of Indigenous land to the U.S. government.
F. None of above. chosen

Statements (52)

Predicate	Object
instanceOf	bilateral treaty ⓘ boundary treaty ⓘ international agreement ⓘ
addressesIssue	joint occupation of the Oregon Country ⓘ
alsoKnownAs	Oregon Boundary Treaty ⓘ linked to: Oregon Treaty of 1846 Treaty of Washington (1846) ⓘ linked to: Oregon Treaty of 1846
appliesToRegion	Oregon Country ⓘ Pacific Northwest ⓘ
avoids	armed conflict between the United States and Great Britain over the Oregon Country ⓘ
category	Canada–United States border ⓘ Treaties of the United Kingdom ⓘ Treaties of the United States ⓘ United States expansionism ⓘ
containsClauseOn	navigation of the Columbia River ⓘ property rights of British subjects ⓘ property rights of the Hudson’s Bay Company ⓘ
dateSigned	1846-06-15 ⓘ
definesBoundaryBetween	British Columbia and the United States ⓘ British North America and the United States in the Pacific Northwest ⓘ linked to: Oregon Country Canada and the United States in the Pacific Northwest ⓘ
definesBoundaryWestOf	Rocky Mountains ⓘ
enteredIntoForce	1846 ⓘ
establishesBoundary	49th parallel north ⓘ
historicalContext	Anglo-American relations in the mid-19th century ⓘ westward expansion of the United States ⓘ
historicalEra	19th century ⓘ
language	English ⓘ
legalBasisFor	border between British Columbia and Idaho ⓘ border between British Columbia and Montana ⓘ border between British Columbia and Washington State ⓘ modern Canada–United States border in the Pacific Northwest ⓘ
locationSigned	Washington, D.C. ⓘ
negotiatingState	United Kingdom of Great Britain and Ireland ⓘ United States of America ⓘ
party	United Kingdom of Great Britain and Ireland ⓘ United States of America ⓘ
precedesEvent	creation of the Oregon Territory (United States) ⓘ establishment of the British colony of British Columbia ⓘ establishment of the Washington Territory ⓘ
primaryBritishNegotiator	Richard Pakenham ⓘ
primaryUSNegotiator	James Buchanan ⓘ
provides	for continuation of British navigation rights on the Columbia River for a limited time ⓘ for protection of property rights of British subjects south of the new boundary ⓘ for protection of property rights of the Hudson’s Bay Company ⓘ
relatedToSlogan	Fifty-Four Forty or Fight ⓘ linked to: "Fifty-Four Forty or Fight"
resolves	Oregon boundary dispute ⓘ
signatory	United Kingdom of Great Britain and Ireland ⓘ United States of America ⓘ
signedUnderUSPresident	James K. Polk ⓘ
subject	Oregon boundary dispute ⓘ
supersedes	Convention of 1818 (regarding joint occupation of Oregon Country) ⓘ linked to: Convention of 1818
yearSigned	1846 ⓘ

How these facts were elicited