Battle of Alcântara (1580)
E275364
The Battle of Alcântara (1580) was a decisive engagement in the Portuguese succession crisis in which Spanish forces defeated supporters of António, Prior of Crato, paving the way for the Iberian Union under Philip II of Spain.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Battle of Alcântara (1580) canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T2519591 — 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 Alcântara (1580) Context triple: [Fernando Álvarez de Toledo, 3rd Duke of Alba, notableBattle, Battle of Alcântara (1580)]
-
A.
Battle of Valdevez
The Battle of Valdevez was a 12th-century confrontation between the Kingdom of León and the emerging Kingdom of Portugal that helped solidify Portuguese autonomy and contributed to its eventual recognition as an independent kingdom.
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B.
Battle of Flores (1591)
The Battle of Flores (1591) was a naval engagement during the Anglo-Spanish War in which an English squadron under Sir Richard Grenville was overwhelmed by a larger Spanish fleet near the Azores while protecting a treasure convoy.
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C.
Battle of Simancas
The Battle of Simancas was a major 10th-century clash in the Iberian Peninsula in which Christian forces, led chiefly by the Kingdom of León, repelled a large Muslim army from Al-Andalus, marking a significant moment in the Christian–Muslim frontier wars.
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D.
Battle of Monte de las Cruces
The Battle of Monte de las Cruces was a major early victory for Miguel Hidalgo’s insurgent forces over Spanish royalists in 1810, marking a pivotal moment in the Mexican War of Independence.
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E.
Battle of Toro
The Battle of Toro was a pivotal 1476 engagement in the War of the Castilian Succession between the forces of Isabella I of Castile and Afonso V of Portugal that helped secure Isabella’s claim to the Castilian throne.
- 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 Alcântara (1580) Target entity description: The Battle of Alcântara (1580) was a decisive engagement in the Portuguese succession crisis in which Spanish forces defeated supporters of António, Prior of Crato, paving the way for the Iberian Union under Philip II of Spain.
-
A.
Battle of Valdevez
The Battle of Valdevez was a 12th-century confrontation between the Kingdom of León and the emerging Kingdom of Portugal that helped solidify Portuguese autonomy and contributed to its eventual recognition as an independent kingdom.
-
B.
Battle of Flores (1591)
The Battle of Flores (1591) was a naval engagement during the Anglo-Spanish War in which an English squadron under Sir Richard Grenville was overwhelmed by a larger Spanish fleet near the Azores while protecting a treasure convoy.
-
C.
Battle of Simancas
The Battle of Simancas was a major 10th-century clash in the Iberian Peninsula in which Christian forces, led chiefly by the Kingdom of León, repelled a large Muslim army from Al-Andalus, marking a significant moment in the Christian–Muslim frontier wars.
-
D.
Battle of Monte de las Cruces
The Battle of Monte de las Cruces was a major early victory for Miguel Hidalgo’s insurgent forces over Spanish royalists in 1810, marking a pivotal moment in the Mexican War of Independence.
-
E.
Battle of Toro
The Battle of Toro was a pivotal 1476 engagement in the War of the Castilian Succession between the forces of Isabella I of Castile and Afonso V of Portugal that helped secure Isabella’s claim to the Castilian throne.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
battle
ⓘ
military conflict ⓘ |
| alsoKnownAs | Battle of Alcántara near Lisbon ⓘ |
| belligerent |
Kingdom of Spain
ⓘ
Portuguese forces of António, Prior of Crato ⓘ forces loyal to Philip II of Spain ⓘ supporters of António, Prior of Crato ⓘ |
| cause |
Portuguese dynastic crisis after the death of King Henry of Portugal
ⓘ
rival claims to the Portuguese throne by Philip II of Spain and António, Prior of Crato ⓘ |
| combatantSide |
Portuguese claimant forces of António, Prior of Crato
ⓘ
Spanish Habsburg forces ⓘ |
| commander |
António, Prior do Crato
ⓘ
surface form:
António, Prior of Crato
Fernando Álvarez de Toledo ⓘ
surface form:
Fernando Álvarez de Toledo, 3rd Duke of Alba
Lope de Figueroa ⓘ Sancho d'Avila ⓘ
surface form:
Sancho d’Ávila
|
| conflict | Portuguese succession crisis of 1580 ⓘ |
| conflictType | succession war battle ⓘ |
| country | Kingdom of Portugal ⓘ |
| date | 1580-08-25 ⓘ |
| duration | one day ⓘ |
| effect |
beginning of the personal union between Spain and Portugal under the Spanish Habsburgs
ⓘ
consolidation of Philip II’s claim to the Portuguese throne ⓘ paving the way for the Iberian Union ⓘ |
| followedBy |
Battle of Vila Franca (1581)
ⓘ
establishment of the Iberian Union ⓘ |
| hasTopic |
Iberian Union
ⓘ
Portuguese monarchy succession ⓘ |
| historicalPeriod | Early Modern period ⓘ |
| involved |
Portuguese militia forces
ⓘ
Spanish tercios ⓘ |
| languageOfName | Portuguese ⓘ |
| location | Alcântara, near Lisbon, Portugal ⓘ |
| opponentOf |
António, Prior do Crato
ⓘ
surface form:
António, Prior of Crato
Philip II of Spain ⓘ |
| partOf |
Portuguese succession crisis of 1580
ⓘ
Portuguese succession crisis of 1580 ⓘ
surface form:
War of the Portuguese Succession
|
| politicalContext | union of the crowns of Portugal and Spain under the Habsburgs ⓘ |
| precededBy | Battle of Leiria (1580) ⓘ |
| primaryClaimantOpposed | Philip II of Spain ⓘ |
| primaryClaimantSupported |
António, Prior do Crato
ⓘ
surface form:
António, Prior of Crato
|
| region |
Lisbon metropolitan area
ⓘ
surface form:
Lisbon region
|
| result | Spanish victory ⓘ |
| significance |
decisive engagement in the War of the Portuguese Succession
ⓘ
key step in the formation of the Iberian Union (1580–1640) ⓘ |
| theatre | Iberian Peninsula ⓘ |
| timePeriod | 16th century ⓘ |
| year | 1580 ⓘ |
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 Alcântara (1580) Description of subject: The Battle of Alcântara (1580) was a decisive engagement in the Portuguese succession crisis in which Spanish forces defeated supporters of António, Prior of Crato, paving the way for the Iberian Union under Philip II of Spain.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Fernando Álvarez de Toledo, 3rd Duke of Alba