Treaty of Ancón

E761691

historical event international treaty peace treaty

The Treaty of Ancón was the 1883 peace agreement that ended the War of the Pacific, resulting in Peru ceding the Tarapacá province to Chile and reshaping the political map of the Pacific coast of South America.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (1)

Label	Occurrences
Treaty of Ancón canonical	7

How this entity was disambiguated

This entity first appeared as the object of triple T8752158 — 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 Ancón
Context triple: [War of the Pacific, treaty, Treaty of Ancón]

A. Treaty of Acobamba
The Treaty of Acobamba was a 16th-century agreement between the Spanish colonial authorities and the Neo-Inca State that sought to formalize peace and limit Inca resistance in the Andean region.
B. Treaty of El Pardo
The Treaty of El Pardo was an 18th-century agreement between Spain and Portugal that redefined their colonial boundaries, including Spain’s claims in the region that would become Equatorial Guinea.
C. Treaty of Girón
The Treaty of Girón was a 1829 peace agreement between Gran Colombia and Peru that helped end the Gran Colombia–Peru War following the Battle of Tarqui.
D. Hay–Bunau-Varilla Treaty
The Hay–Bunau-Varilla Treaty was the 1903 agreement between the United States and Panama that granted the U.S. extensive control over the Panama Canal Zone and the construction of the Panama Canal.
E. Larrea–Gual Treaty
The Larrea–Gual Treaty was a 19th-century peace agreement that helped settle territorial and diplomatic disputes between Gran Colombia and Peru following their armed conflict.
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 Ancón
Target entity description: The Treaty of Ancón was the 1883 peace agreement that ended the War of the Pacific, resulting in Peru ceding the Tarapacá province to Chile and reshaping the political map of the Pacific coast of South America.

A. Treaty of Acobamba
The Treaty of Acobamba was a 16th-century agreement between the Spanish colonial authorities and the Neo-Inca State that sought to formalize peace and limit Inca resistance in the Andean region.
B. Treaty of El Pardo
The Treaty of El Pardo was an 18th-century agreement between Spain and Portugal that redefined their colonial boundaries, including Spain’s claims in the region that would become Equatorial Guinea.
C. Treaty of Girón
The Treaty of Girón was a 1829 peace agreement between Gran Colombia and Peru that helped end the Gran Colombia–Peru War following the Battle of Tarqui.
D. Hay–Bunau-Varilla Treaty
The Hay–Bunau-Varilla Treaty was the 1903 agreement between the United States and Panama that granted the U.S. extensive control over the Panama Canal Zone and the construction of the Panama Canal.
E. Larrea–Gual Treaty
The Larrea–Gual Treaty was a 19th-century peace agreement that helped settle territorial and diplomatic disputes between Gran Colombia and Peru following their armed conflict.
F. None of above. chosen

Statements (48)

Predicate	Object
instanceOf	historical event ⓘ international treaty ⓘ peace treaty ⓘ
affectedTerritory	Arica Province ⓘ Tacna Province ⓘ Tarapacá Province ⓘ linked to: Tarapacá Region
belligerentSideRepresented	Chile ⓘ Peru ⓘ
cameIntoForceInYear	1883 ⓘ
conflictSide	Chile–Peru front of the War of the Pacific ⓘ linked to: Tacna and Arica campaign
countryAffected	Bolivia ⓘ Chile ⓘ Peru ⓘ
endedConflict	War of the Pacific ⓘ
establishedStatusOf	Arica ⓘ Tacna ⓘ
hasLanguage	Spanish ⓘ
historicalPeriod	19th century ⓘ
impact	consolidated Chilean control over nitrate-rich areas ⓘ loss of Peruvian access to Tarapacá resources ⓘ reshaped political map of Pacific coast of South America ⓘ
legalNature	cession treaty ⓘ
locationNowIn	Ancón District ⓘ Lima Province ⓘ Lima Region ⓘ
partOf	post-War of the Pacific settlement ⓘ
precedes	Treaty of Lima (1929) ⓘ linked to: Treaty of Lima
relatedTo	Chilean–Peruvian territorial dispute ⓘ linked to: Tacna–Arica dispute Tacna–Arica dispute ⓘ Treaty of Lima ⓘ
resultedIn	Chilean annexation of Tarapacá ⓘ Peru ceding Tarapacá to Chile in perpetuity ⓘ cession of Tarapacá province to Chile ⓘ
signatory	Republic of Chile ⓘ linked to: Chile Republic of Peru ⓘ linked to: Peru
signedAt	Ancón ⓘ linked to: Ancón District
signedByRepresentativeOfChile	Jovino Novoa ⓘ
signedByRepresentativeOfPeru	José Antonio de Lavalle ⓘ
signedInCountry	Peru ⓘ
signedOn	1883-10-20 ⓘ
stipulated	Peru to receive compensation if Tacna and Arica remained Chilean ⓘ Peru to recognize Chilean control over occupied territories ⓘ Peru to renounce claims over Tarapacá ⓘ Tacna and Arica to remain under Chilean administration for 10 years ⓘ a plebiscite to determine sovereignty over Tacna and Arica ⓘ
subjectMatter	administration of occupied territories ⓘ post-war indemnities ⓘ territorial sovereignty ⓘ

How these facts were elicited

Referenced by (7)

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

War of the Pacific → treaty → Treaty of Ancón ⓘ

Peru–Chile border → establishedByTreaty → Treaty of Ancón ⓘ

Pacific campaigns of the Chilean Army → relatedTo → Treaty of Ancón ⓘ

Treaty of Valparaíso (1884 armistice with Bolivia) → relatedTo → Treaty of Ancón ⓘ

Saltpeter War → treaty → Treaty of Ancón ⓘ

Treaty of Lima → relatedTo → Treaty of Ancón ⓘ

Chile–Bolivia relations → keyTreaty → Treaty of Ancón ⓘ

All labels observed (1)

How this entity was disambiguated Show

Statements (48)

How these facts were elicited Show

Referenced by (7)

How this entity was disambiguated

How these facts were elicited