Battle of Aljubarrota
E367834
The Battle of Aljubarrota was a decisive 1385 clash in which Portuguese forces, allied with England, defeated Castile and secured Portugal’s independence and the Aviz dynasty’s rule.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Battle of Aljubarrota canonical | 13 |
| Batalha de Aljubarrota | 1 |
| Battle of Aljubarrota (1385) | 1 |
| Battle of Aljubarrota commemoration | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3533714 — 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 Aljubarrota Context triple: [John I of Portugal, notableBattle, Battle of Aljubarrota]
-
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 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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C.
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.
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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 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.
- 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 Aljubarrota Target entity description: The Battle of Aljubarrota was a decisive 1385 clash in which Portuguese forces, allied with England, defeated Castile and secured Portugal’s independence and the Aviz dynasty’s rule.
-
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 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.
-
C.
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.
-
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 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.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
battle
ⓘ
medieval battle ⓘ |
| aftermath |
Castilian invasion of Portugal repelled
ⓘ
decline of Castilian influence over Portugal ⓘ long‑term Portuguese–English alliance reinforced ⓘ |
| alliance |
Anglo-Portuguese Alliance
ⓘ
surface form:
Portuguese–English alliance
|
| alsoKnownAs |
Battle of Aljubarrota
ⓘ
surface form:
Batalha de Aljubarrota
|
| belligerent |
French allies of Castile
ⓘ
Castile ⓘ
surface form:
Kingdom of Castile
Kingdom of England ⓘ Kingdom of Portugal ⓘ |
| cause |
Castilian attempt to claim the Portuguese crown
ⓘ
dispute over the Portuguese throne after the death of Ferdinand I of Portugal ⓘ |
| commander |
Bertrand du Guesclin
ⓘ
surface form:
Bertrand du Guesclin (attributed in some traditions, though he died earlier)
John I of Castile NERFINISHED ⓘ John I of Portugal NERFINISHED ⓘ Nuno Álvares Pereira ⓘ |
| commemoratedBy |
Monastery of Batalha
ⓘ
surface form:
Batalha Monastery (Mosteiro da Batalha)
|
| commemoratedIn | Portuguese national memory ⓘ |
| conflict |
1383–1385 Crisis
ⓘ
1383–1385 Portuguese interregnum ⓘ
surface form:
Portuguese succession crisis of 1383–1385
|
| country | Kingdom of Portugal ⓘ |
| date | 14 August 1385 ⓘ |
| decisiveFor |
accession of John I of Portugal (John of Aviz)
ⓘ
establishment of the House of Aviz ⓘ |
| ensured |
continuation of Portuguese independence
ⓘ
recognition of John I as king of Portugal ⓘ |
| era | Late Middle Ages ⓘ |
| locatedNear |
Batalha, Portugal
ⓘ
surface form:
town of Batalha, Portugal
|
| militaryTactics |
defensive position on high ground
ⓘ
use of dismounted men‑at‑arms and archers influenced by English tactics ⓘ use of field fortifications and ditches ⓘ |
| opposedBy |
French contingents
ⓘ
Castile ⓘ
surface form:
Kingdom of Castile
|
| partOf |
1383–1385 Portuguese interregnum
ⓘ
surface form:
1383–1385 Crisis
|
| place | near Aljubarrota, Portugal ⓘ |
| region |
Leiria District
ⓘ
surface form:
Leiria District, central Portugal
|
| result |
Portuguese independence secured from Castile
ⓘ
consolidation of the Aviz dynasty in Portugal ⓘ decisive Portuguese victory ⓘ |
| significance |
key event in the Hundred Years’ War context
ⓘ
symbol of Portuguese national identity ⓘ turning point in Portuguese history ⓘ |
| strengthSide | Portuguese and English forces smaller than Castilian army ⓘ |
| supportedBy | Kingdom of England ⓘ |
| year | 1385 ⓘ |
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 Aljubarrota Description of subject: The Battle of Aljubarrota was a decisive 1385 clash in which Portuguese forces, allied with England, defeated Castile and secured Portugal’s independence and the Aviz dynasty’s rule.
Referenced by (16)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Batalha de Aljubarrota
this entity surface form:
Battle of Aljubarrota commemoration
this entity surface form:
Battle of Aljubarrota (1385)