Battle of El Uvero
E238422
The Battle of El Uvero was a 1957 clash in Cuba’s Sierra Maestra in which Fidel Castro’s rebel forces scored an early, morale-boosting victory against Batista’s army during the Cuban Revolution.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Battle of El Uvero canonical | 2 |
| Batalla de El Uvero | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1706386 — 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 El Uvero Context triple: [Sierra Maestra campaign, hasKeyEvent, Battle of El Uvero]
-
A.
Battle of San Lorenzo
The Battle of San Lorenzo was an 1813 engagement in the Argentine War of Independence where José de San Martín led his newly formed cavalry regiment to a decisive victory over Spanish royalist forces.
-
B.
Battle of Pantano de Vargas
The Battle of Pantano de Vargas was a decisive 1819 engagement in present-day Colombia in which patriot forces under Simón Bolívar and General José María Córdova secured a crucial victory that paved the way for independence from Spanish rule.
-
C.
Battle of El Roble
The Battle of El Roble was a significant 1813 engagement during the Chilean War of Independence in which patriot forces, led in part by Bernardo O'Higgins, helped solidify the emerging independence movement against Spanish royalist control.
-
D.
Battle of Las Tres Acequias
The Battle of Las Tres Acequias was a significant 1814 engagement in Chile’s struggle for independence, where royalist forces defeated Chilean patriots near Santiago, contributing to the temporary restoration of Spanish control.
-
E.
Battle of La Victoria
The Battle of La Victoria was a key 1814 engagement in the Venezuelan War of Independence in which republican forces, including many student volunteers, successfully defended the town of La Victoria against royalist troops.
- 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 El Uvero Target entity description: The Battle of El Uvero was a 1957 clash in Cuba’s Sierra Maestra in which Fidel Castro’s rebel forces scored an early, morale-boosting victory against Batista’s army during the Cuban Revolution.
-
A.
Battle of San Lorenzo
The Battle of San Lorenzo was an 1813 engagement in the Argentine War of Independence where José de San Martín led his newly formed cavalry regiment to a decisive victory over Spanish royalist forces.
-
B.
Battle of Pantano de Vargas
The Battle of Pantano de Vargas was a decisive 1819 engagement in present-day Colombia in which patriot forces under Simón Bolívar and General José María Córdova secured a crucial victory that paved the way for independence from Spanish rule.
-
C.
Battle of El Roble
The Battle of El Roble was a significant 1813 engagement during the Chilean War of Independence in which patriot forces, led in part by Bernardo O'Higgins, helped solidify the emerging independence movement against Spanish royalist control.
-
D.
Battle of Las Tres Acequias
The Battle of Las Tres Acequias was a significant 1814 engagement in Chile’s struggle for independence, where royalist forces defeated Chilean patriots near Santiago, contributing to the temporary restoration of Spanish control.
-
E.
Battle of La Victoria
The Battle of La Victoria was a key 1814 engagement in the Venezuelan War of Independence in which republican forces, including many student volunteers, successfully defended the town of La Victoria against royalist troops.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
battle
ⓘ
military engagement ⓘ |
| alsoKnownAs |
Battle of El Uvero
ⓘ
surface form:
Batalla de El Uvero
|
| armedForce |
26th of July Movement
ⓘ
surface form:
26th of July Movement guerrilla column
Cuban Army garrison at El Uvero ⓘ |
| belligerent |
26th of July Movement
ⓘ
Forces loyal to Fulgencio Batista ⓘ |
| casualties | casualties on both rebel and government sides ⓘ |
| chronologyWithinConflict | early phase of the Cuban Revolution ⓘ |
| combatant |
Batista's Cuban Army
ⓘ
Rebel Army (Cuba) ⓘ
surface form:
Fidel Castro's rebel forces
|
| commander |
Fidel Castro
ⓘ
Juan Almeida Bosque ⓘ Raúl Castro ⓘ |
| conflict | Cuban Revolution ⓘ |
| country | Cuba ⓘ |
| countryInConflict |
Republic of Cuba (1902–1959)
ⓘ
surface form:
Republic of Cuba
|
| date | 1957-05-28 ⓘ |
| describedAs | early major engagement of the Cuban Revolution ⓘ |
| followedBy | further rebel offensives in the Sierra Maestra ⓘ |
| historicalPeriod |
Cold War
ⓘ
surface form:
Cold War era
|
| languageOfName | Spanish ⓘ |
| location |
El Uvero
ⓘ
Sierra Maestra mountains ⓘ
surface form:
Sierra Maestra
|
| militaryTactics |
guerrilla warfare
ⓘ
surprise attack ⓘ |
| notableFor |
boosting rebel morale
ⓘ
publicizing the effectiveness of Castro's guerrillas ⓘ |
| opposingCommander | Cuban Army officers loyal to Fulgencio Batista ⓘ |
| partOf | Cuban Revolution ⓘ |
| precededBy | early skirmishes in the Sierra Maestra ⓘ |
| relatedTo |
26th of July Movement
ⓘ
Fidel Castro ⓘ Fulgencio Batista ⓘ Sierra Maestra mountains ⓘ
surface form:
Sierra Maestra
|
| result |
rebel victory
ⓘ
victory for Fidel Castro's forces ⓘ |
| side |
government side loyal to Fulgencio Batista
ⓘ
rebel side led by Fidel Castro ⓘ |
| significance |
demonstrated growing strength of the 26th of July Movement
ⓘ
early morale-boosting victory for the rebels ⓘ helped consolidate Fidel Castro's leadership ⓘ |
| strategicObjective | attack on a government garrison at El Uvero ⓘ |
| theater | Sierra Maestra campaign ⓘ |
| typeOfEngagement |
ambush
ⓘ
guerrilla action ⓘ |
| year | 1957 ⓘ |
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 El Uvero Description of subject: The Battle of El Uvero was a 1957 clash in Cuba’s Sierra Maestra in which Fidel Castro’s rebel forces scored an early, morale-boosting victory against Batista’s army during the Cuban Revolution.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Batalla de El Uvero