Treaty of Ancón
E761691
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Treaty of Ancón canonical | 2 |
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.
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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.
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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.
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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
NERFINISHED
ⓘ
Tacna Province NERFINISHED ⓘ Tarapacá Province NERFINISHED ⓘ |
| belligerentSideRepresented |
Chile
NERFINISHED
ⓘ
Peru NERFINISHED ⓘ |
| cameIntoForceInYear | 1883 ⓘ |
| conflictSide | Chile–Peru front of the War of the Pacific NERFINISHED ⓘ |
| countryAffected |
Bolivia
NERFINISHED
ⓘ
Chile NERFINISHED ⓘ Peru NERFINISHED ⓘ |
| endedConflict | War of the Pacific NERFINISHED ⓘ |
| establishedStatusOf |
Arica
NERFINISHED
ⓘ
Tacna NERFINISHED ⓘ |
| 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
NERFINISHED
ⓘ
Lima Province NERFINISHED ⓘ Lima Region NERFINISHED ⓘ |
| partOf | post-War of the Pacific settlement ⓘ |
| precedes | Treaty of Lima (1929) NERFINISHED ⓘ |
| relatedTo |
Chilean–Peruvian territorial dispute
NERFINISHED
ⓘ
Tacna–Arica dispute NERFINISHED ⓘ Treaty of Lima NERFINISHED ⓘ |
| resultedIn |
Chilean annexation of Tarapacá
ⓘ
Peru ceding Tarapacá to Chile in perpetuity ⓘ cession of Tarapacá province to Chile ⓘ |
| signatory |
Republic of Chile
NERFINISHED
ⓘ
Republic of Peru NERFINISHED ⓘ |
| signedAt | Ancón NERFINISHED ⓘ |
| signedByRepresentativeOfChile | Jovino Novoa NERFINISHED ⓘ |
| signedByRepresentativeOfPeru | José Antonio de Lavalle NERFINISHED ⓘ |
| signedInCountry | Peru NERFINISHED ⓘ |
| 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
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Treaty of Ancón Description of subject: 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.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.