Battle of Alfarrobeira
E393410
The Battle of Alfarrobeira was a 1449 Portuguese civil conflict in which royal forces defeated and killed the influential infante Peter, Duke of Coimbra, marking a decisive power shift in the kingdom.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Battle of Alfarrobeira canonical | 3 |
| Batalha de Alfarrobeira | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3845552 — 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 Alfarrobeira Context triple: [Peter, Duke of Coimbra, conflict, Battle of Alfarrobeira]
-
A.
Battle of Castelo Rodrigo
The Battle of Castelo Rodrigo was a 1664 engagement in which Portuguese forces decisively defeated a larger Spanish army, helping secure Portugal’s independence during the Restoration War.
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B.
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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C.
Battle of Ameixial
The Battle of Ameixial was a decisive 1663 engagement in which Portuguese forces, aided by English allies, defeated the Spanish army and helped secure Portugal’s independence during the Restoration War.
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D.
Battle of Ourique
The Battle of Ourique was a pivotal 1139 victory of the Portuguese forces over Muslim armies that became a foundational legend in the emergence of the Kingdom of Portugal and the rule of Afonso I.
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E.
Battle of the Lines of Elvas
The Battle of the Lines of Elvas was a decisive 1659 engagement in which Portuguese forces successfully lifted a Spanish siege of Elvas, helping secure Portugal’s independence during the Restoration War.
- 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 Alfarrobeira Target entity description: The Battle of Alfarrobeira was a 1449 Portuguese civil conflict in which royal forces defeated and killed the influential infante Peter, Duke of Coimbra, marking a decisive power shift in the kingdom.
-
A.
Battle of Castelo Rodrigo
The Battle of Castelo Rodrigo was a 1664 engagement in which Portuguese forces decisively defeated a larger Spanish army, helping secure Portugal’s independence during the Restoration War.
-
B.
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.
-
C.
Battle of Ameixial
The Battle of Ameixial was a decisive 1663 engagement in which Portuguese forces, aided by English allies, defeated the Spanish army and helped secure Portugal’s independence during the Restoration War.
-
D.
Battle of Ourique
The Battle of Ourique was a pivotal 1139 victory of the Portuguese forces over Muslim armies that became a foundational legend in the emergence of the Kingdom of Portugal and the rule of Afonso I.
-
E.
Battle of the Lines of Elvas
The Battle of the Lines of Elvas was a decisive 1659 engagement in which Portuguese forces successfully lifted a Spanish siege of Elvas, helping secure Portugal’s independence during the Restoration War.
- F. None of above. chosen
Statements (40)
| Predicate | Object |
|---|---|
| instanceOf |
battle
ⓘ
civil conflict ⓘ |
| alsoKnownAs |
Battle of Alfarrobeira
ⓘ
surface form:
Batalha de Alfarrobeira
|
| belligerent |
forces of Infante Peter, Duke of Coimbra
ⓘ
royal forces of King Afonso V of Portugal ⓘ |
| casualty | death of Infante Peter, Duke of Coimbra ⓘ |
| cause |
power struggle between the regent Peter of Coimbra and rival noble factions
ⓘ
tensions over control of the young King Afonso V ⓘ |
| chronologyPosition | one of the last major internal battles of medieval Portugal ⓘ |
| combatantSide |
supporters of Queen Eleanor of Aragon
ⓘ
supporters of the regent Peter, Duke of Coimbra ⓘ |
| commander |
Afonso V of Portugal
NERFINISHED
ⓘ
Infante Peter, Duke of Coimbra NERFINISHED ⓘ |
| conflictIn | reign of Afonso V of Portugal ⓘ |
| conflictType | Portuguese civil war ⓘ |
| country | Kingdom of Portugal ⓘ |
| date | 1449-05-20 ⓘ |
| followedBy | increased influence of the Braganza family at the Portuguese court ⓘ |
| geographicRegion | near Lisbon ⓘ |
| hasParticipant |
Portuguese peerage
ⓘ
surface form:
Portuguese nobility
Portuguese Army ⓘ
surface form:
royal army of Portugal
|
| historicalPeriod | 15th century ⓘ |
| killedPerson | Infante Peter, Duke of Coimbra NERFINISHED ⓘ |
| languageOfName | Portuguese ⓘ |
| locatedInTime | Late Middle Ages ⓘ |
| outcome |
defeat of the Coimbra faction
ⓘ
strengthening of royalist and Braganza factions ⓘ |
| partOf | history of Portugal ⓘ |
| partOfConflict | internal dynastic struggles in 15th‑century Portugal ⓘ |
| place | Alfarrobeira ⓘ |
| politicalContext | minority reign of Afonso V of Portugal ⓘ |
| precededBy | regency of Peter, Duke of Coimbra ⓘ |
| relatedEvent | regency crisis in Portugal (1439–1449) ⓘ |
| result | royalist victory ⓘ |
| significance |
consolidation of royal authority under Afonso V
ⓘ
decisive power shift in the Kingdom of Portugal ⓘ end of Peter of Coimbra’s political influence ⓘ |
| topic |
Portuguese monarchy
ⓘ
noble factions in Portugal ⓘ |
| year | 1449 ⓘ |
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 Alfarrobeira Description of subject: The Battle of Alfarrobeira was a 1449 Portuguese civil conflict in which royal forces defeated and killed the influential infante Peter, Duke of Coimbra, marking a decisive power shift in the kingdom.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Batalha de Alfarrobeira