Battle of Oporto
E449292
The Battle of Oporto was a 1809 Peninsular War engagement in which British and Portuguese forces under Arthur Wellesley drove Marshal Nicolas Soult’s French army from the Portuguese city of Porto.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Battle of Oporto canonical | 3 |
| Second Battle of Porto | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4528771 — 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 Oporto Context triple: [Nicolas Soult, notableBattle, Battle of Oporto]
-
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 Alfarrobeira
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.
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C.
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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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 Oporto Target entity description: The Battle of Oporto was a 1809 Peninsular War engagement in which British and Portuguese forces under Arthur Wellesley drove Marshal Nicolas Soult’s French army from the Portuguese city of Porto.
-
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 Alfarrobeira
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.
-
C.
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.
-
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
ⓘ
military engagement ⓘ |
| alsoKnownAs |
Second Battle of Porto
ⓘ
linked to:
Battle of Oporto
|
| belligerent |
First French Empire
ⓘ
Kingdom of Portugal ⓘ United Kingdom of Great Britain and Ireland ⓘ |
| campaign | Second Portuguese campaign of the Peninsular War ⓘ |
| cityInvolved | Porto ⓘ |
| combatant |
British Army
ⓘ
French Army ⓘ Portuguese Army ⓘ |
| commander |
Arthur Wellesley
ⓘ
linked to:
Arthur Wellesley, 1st Duke of Wellington
Nicolas Jean-de-Dieu Soult ⓘ
linked to:
Nicolas Soult
|
| commanderFor |
Arthur Wellesley – Anglo-Portuguese forces
ⓘ
linked to:
Arthur Wellesley, 1st Duke of Wellington
Nicolas Jean-de-Dieu Soult – French forces ⓘ
linked to:
Nicolas Soult
|
| conflict | Napoleonic Wars ⓘ |
| country | Portugal ⓘ |
| date | 12 May 1809 ⓘ |
| DukeOfWellingtonRole | Arthur Wellesley later created Duke of Wellington for his military successes ⓘ |
| followedBy | Battle of Talavera ⓘ |
| forceType | Anglo-Portuguese Army ⓘ |
| historicalPeriod | Early 19th century ⓘ |
| location |
Porto
ⓘ
Portugal ⓘ |
| notableCommanderRank |
Arthur Wellesley – Lieutenant-General
ⓘ
linked to:
Arthur Wellesley, 1st Duke of Wellington
Nicolas Soult – Marshal of France ⓘ
linked to:
Nicolas Soult
|
| opponentForceType |
French Imperial Army
ⓘ
linked to:
French Army
|
| outcome |
French forces expelled from Porto
ⓘ
French retreat from northern Portugal ⓘ |
| partOf | Peninsular War ⓘ |
| precededBy |
First French invasion of Portugal
ⓘ
linked to:
Napoleonic invasions of Portugal
|
| relatedEvent | French invasion of Portugal (1809) ⓘ |
| relatedPerson |
Duke of Wellington
ⓘ
linked to:
Arthur Wellesley, 1st Duke of Wellington
|
| result | Anglo-Portuguese victory ⓘ |
| riverCrossed | Douro River ⓘ |
| significance | Helped secure Portugal as a base for British operations in the Peninsular War ⓘ |
| tacticUsed | surprise river crossing ⓘ |
| theatre | Iberian Peninsula ⓘ |
| warTheatre | Western Europe ⓘ |
| year | 1809 ⓘ |
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 Oporto Description of subject: The Battle of Oporto was a 1809 Peninsular War engagement in which British and Portuguese forces under Arthur Wellesley drove Marshal Nicolas Soult’s French army from the Portuguese city of Porto.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Battle of Oporto
linked to: Battle of Oporto