Chaco War
E278140
The Chaco War was a brutal 1932–1935 conflict between Bolivia and Paraguay over control of the oil-rich Gran Chaco region in South America.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Chaco War canonical | 5 |
| Chaco War between Bolivia and Paraguay | 1 |
| Guerra del Chaco | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2560663 — 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: Chaco War Context triple: [Breguet 19, usedInConflict, Chaco War]
-
A.
Paquisha War
The Paquisha War was a brief 1981 border conflict between Ecuador and Peru over disputed territory in the Cordillera del Cóndor region of the Amazon.
-
B.
War of the Pacific
The War of the Pacific was a late 19th-century conflict in western South America in which Chile fought against Bolivia and Peru over control of valuable nitrate-rich territories along the Pacific coast.
-
C.
Cenepa War
The Cenepa War was a brief 1995 armed conflict between Ecuador and Peru over a disputed border region in the Amazonian Cenepa Valley.
-
D.
Cisplatine War
The Cisplatine War was a 19th-century conflict between the Empire of Brazil and the United Provinces of the Río de la Plata (Argentina) over control of the Cisplatina region, which ultimately led to the independence of Uruguay.
-
E.
Paraguayan War
The Paraguayan War was a major 19th-century South American conflict (1864–1870) in which Paraguay fought against the Triple Alliance of Brazil, Argentina, and Uruguay, resulting in devastating losses for Paraguay.
- 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: Chaco War Target entity description: The Chaco War was a brutal 1932–1935 conflict between Bolivia and Paraguay over control of the oil-rich Gran Chaco region in South America.
-
A.
Paquisha War
The Paquisha War was a brief 1981 border conflict between Ecuador and Peru over disputed territory in the Cordillera del Cóndor region of the Amazon.
-
B.
War of the Pacific
The War of the Pacific was a late 19th-century conflict in western South America in which Chile fought against Bolivia and Peru over control of valuable nitrate-rich territories along the Pacific coast.
-
C.
Cenepa War
The Cenepa War was a brief 1995 armed conflict between Ecuador and Peru over a disputed border region in the Amazonian Cenepa Valley.
-
D.
Cisplatine War
The Cisplatine War was a 19th-century conflict between the Empire of Brazil and the United Provinces of the Río de la Plata (Argentina) over control of the Cisplatina region, which ultimately led to the independence of Uruguay.
-
E.
Paraguayan War
The Paraguayan War was a major 19th-century South American conflict (1864–1870) in which Paraguay fought against the Triple Alliance of Brazil, Argentina, and Uruguay, resulting in devastating losses for Paraguay.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
20th-century war
ⓘ
interstate conflict ⓘ war ⓘ |
| aftermath |
Bolivia retained a corridor to the Paraguay River
ⓘ
Paraguay gained most of the disputed Chaco Boreal ⓘ |
| alsoKnownAs |
Chaco War
ⓘ
surface form:
Guerra del Chaco
|
| belligerent |
Bolivia
ⓘ
surface form:
Republic of Bolivia
Paraguay ⓘ
surface form:
Republic of Paraguay
|
| conflictBetween |
Bolivia
ⓘ
Paraguay ⓘ |
| demographicImpact | heavy conscription of indigenous populations ⓘ |
| economicImpact |
severe financial strain on Bolivia
ⓘ
severe financial strain on Paraguay ⓘ |
| endDate | 1935-06-12 ⓘ |
| environmentalCondition |
scarcity of water
ⓘ
semi-arid climate ⓘ |
| estimatedCasualties | over 80,000 dead ⓘ |
| involvedCountry |
Bolivia
ⓘ
Paraguay ⓘ |
| location |
Gran Chaco
ⓘ
South America ⓘ |
| mainCause |
competition for potential oil resources
ⓘ
territorial dispute over the Gran Chaco ⓘ |
| mediatedBy |
Argentina
ⓘ
Brazil ⓘ Chile ⓘ League of Nations ⓘ Peru ⓘ |
| militaryTechnology |
light tanks
ⓘ
machine guns ⓘ military aviation ⓘ |
| notableFeature |
extreme climatic and logistical hardships
ⓘ
heavy use of trench warfare ⓘ use of early military aircraft ⓘ |
| partOf | interwar period ⓘ |
| politicalConsequence |
political instability in Bolivia
ⓘ
rise of nationalist and reformist movements in Bolivia ⓘ |
| precededBy | border disputes between Bolivia and Paraguay in the late 19th and early 20th centuries ⓘ |
| relatedTo | Bolivia’s loss of Pacific coastline in the War of the Pacific ⓘ |
| result |
Bolivian defeat
ⓘ
Paraguayan victory ⓘ |
| startDate | 1932-06-15 ⓘ |
| strategicObjective |
access to the Paraguay River
ⓘ
control of potential oil fields ⓘ |
| theatre |
Chaco
ⓘ
surface form:
Chaco Boreal
|
| timePeriod | 1930s ⓘ |
| treaty | Treaty of Peace, Friendship and Boundaries (1938) ⓘ |
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: Chaco War Description of subject: The Chaco War was a brutal 1932–1935 conflict between Bolivia and Paraguay over control of the oil-rich Gran Chaco region in South America.
Referenced by (7)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Chaco War between Bolivia and Paraguay
this entity surface form:
Guerra del Chaco
subject surface form:
Bristol F.2 Fighter