Battle of Tacna
E758840
The Battle of Tacna was a major 1880 land engagement in the War of the Pacific in which Chilean forces decisively defeated a joint Peruvian-Bolivian army, leading to Bolivia’s loss of its coastal territory.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Battle of Tacna canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8752175 — 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: Battle of Tacna Context triple: [War of the Pacific, notableBattle, Battle of Tacna]
-
A.
Battle of Tarqui
The Battle of Tarqui was a decisive 1829 military engagement in the Gran Colombia–Peru War, remembered for securing Gran Colombia’s victory under Antonio José de Sucre and shaping the borders of modern Ecuador.
-
B.
Battle of Tarapacá
The Battle of Tarapacá was a significant 1879 engagement in the War of the Pacific in which Peruvian forces achieved a tactical victory over Chilean troops despite being outnumbered and cut off.
-
C.
Battle of Yaguachi
The Battle of Yaguachi was a significant 1821 military engagement in present-day Ecuador in which patriot forces fought Spanish royalists, contributing to the region’s eventual independence from Spanish rule.
-
D.
Battle of Cerro de Pasco
The Battle of Cerro de Pasco was an 1820 engagement in the Peruvian War of Independence in which patriot forces defeated royalist troops in the Andean highlands, helping to weaken Spanish control in the region.
-
E.
Battle of Chacras
The Battle of Chacras was a key land engagement between Ecuadorian and Peruvian forces during the 1941 border war that helped shape the conflict’s outcome in the disputed frontier region.
- 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: Battle of Tacna Target entity description: The Battle of Tacna was a major 1880 land engagement in the War of the Pacific in which Chilean forces decisively defeated a joint Peruvian-Bolivian army, leading to Bolivia’s loss of its coastal territory.
-
A.
Battle of Tarqui
The Battle of Tarqui was a decisive 1829 military engagement in the Gran Colombia–Peru War, remembered for securing Gran Colombia’s victory under Antonio José de Sucre and shaping the borders of modern Ecuador.
-
B.
Battle of Tarapacá
The Battle of Tarapacá was a significant 1879 engagement in the War of the Pacific in which Peruvian forces achieved a tactical victory over Chilean troops despite being outnumbered and cut off.
-
C.
Battle of Yaguachi
The Battle of Yaguachi was a significant 1821 military engagement in present-day Ecuador in which patriot forces fought Spanish royalists, contributing to the region’s eventual independence from Spanish rule.
-
D.
Battle of Cerro de Pasco
The Battle of Cerro de Pasco was an 1820 engagement in the Peruvian War of Independence in which patriot forces defeated royalist troops in the Andean highlands, helping to weaken Spanish control in the region.
-
E.
Battle of Chacras
The Battle of Chacras was a key land engagement between Ecuadorian and Peruvian forces during the 1941 border war that helped shape the conflict’s outcome in the disputed frontier region.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
battle
ⓘ
land battle ⓘ |
| alsoKnownAs | Battle of the Alto de la Alianza NERFINISHED ⓘ |
| armedForcesInvolved |
Bolivian infantry units
ⓘ
Chilean infantry units ⓘ Peruvian infantry units ⓘ |
| belligerent |
Bolivia
NERFINISHED
ⓘ
Chile NERFINISHED ⓘ Peru NERFINISHED ⓘ |
| campaign | Tacna and Arica campaign NERFINISHED ⓘ |
| casusBelliContext | dispute over nitrate-rich territories in the Atacama Desert ⓘ |
| combatant |
Bolivian Army
NERFINISHED
ⓘ
Chilean Army NERFINISHED ⓘ Peruvian Army NERFINISHED ⓘ |
| commander |
Lizardo Montero
NERFINISHED
ⓘ
Manuel Baquedano NERFINISHED ⓘ Narciso Campero NERFINISHED ⓘ |
| conflict | War of the Pacific NERFINISHED ⓘ |
| continent | South America ⓘ |
| countryInvolved |
Republic of Bolivia
NERFINISHED
ⓘ
Republic of Chile NERFINISHED ⓘ Republic of Peru NERFINISHED ⓘ |
| date | 1880-05-26 ⓘ |
| followedBy | Battle of Arica (1880) NERFINISHED ⓘ |
| geopoliticalImpact |
Bolivia’s long-term loss of direct access to the Pacific Ocean
ⓘ
strengthening of Chilean control over coastal provinces ⓘ |
| historicalPeriod | 19th century ⓘ |
| location |
Tacna
NERFINISHED
ⓘ
Tacna Province NERFINISHED ⓘ Tacna Region NERFINISHED ⓘ southern Peru ⓘ |
| notableFor |
decisive defeat of joint Peruvian-Bolivian army
ⓘ
high casualties on both sides ⓘ key turning point in the War of the Pacific ⓘ |
| partOf | War of the Pacific NERFINISHED ⓘ |
| precededBy | Battle of Los Ángeles (1880) NERFINISHED ⓘ |
| regionHistoricallyContestedBy |
Bolivia
NERFINISHED
ⓘ
Chile NERFINISHED ⓘ Peru NERFINISHED ⓘ |
| result | Chilean victory ⓘ |
| strategicConsequence |
collapse of the Peru–Bolivia defensive alliance in the War of the Pacific
ⓘ
contributed to Bolivia’s loss of its coastal territory ⓘ opened the way for Chilean advance toward Arica ⓘ |
| theater | land campaign in southern Peru ⓘ |
| typeOfEngagement | pitched battle ⓘ |
| year | 1880 ⓘ |
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: Battle of Tacna Description of subject: The Battle of Tacna was a major 1880 land engagement in the War of the Pacific in which Chilean forces decisively defeated a joint Peruvian-Bolivian army, leading to Bolivia’s loss of its coastal territory.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.