Battle of Diu
E924650
The Battle of Diu was a decisive 1509 naval engagement in the Indian Ocean in which the Portuguese fleet crushed a coalition of regional powers, securing Portuguese dominance over the spice trade and maritime routes to India.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Battle of Diu (1509) | 3 |
| Battle of Diu canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11423619 — 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 Diu Context triple: [Francisco de Almeida, notableBattle, Battle of Diu]
-
A.
Battle of Chinsurah
The Battle of Chinsurah was an 18th-century military engagement in Bengal in which Dutch forces clashed with the British East India Company, marking a key moment in the decline of Dutch influence in the region.
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B.
Battle of Gujarat
The Battle of Gujrat was a decisive 1849 engagement in the Second Anglo-Sikh War in which British forces defeated the Sikh army, leading to the annexation of the Sikh Empire into British India.
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C.
Battle of Tanjore
The Battle of Tanjore was a significant 18th-century military engagement in southern India involving Mysore and British-aligned forces during the wider struggle for regional dominance.
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D.
Battle of Sholinghur
The Battle of Sholinghur was a 1781 engagement in the Second Anglo-Mysore War in which British forces under Sir Eyre Coote defeated Hyder Ali’s army in southern India, helping to check Mysore’s advance.
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E.
Battle of Ponta Delgada
The Battle of Ponta Delgada was a 1582 naval engagement in the Azores during the War of the Portuguese Succession, where a Spanish fleet decisively defeated a French-supported Portuguese force, securing Spanish dominance over Portugal.
- 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 Diu Target entity description: The Battle of Diu was a decisive 1509 naval engagement in the Indian Ocean in which the Portuguese fleet crushed a coalition of regional powers, securing Portuguese dominance over the spice trade and maritime routes to India.
-
A.
Battle of Chinsurah
The Battle of Chinsurah was an 18th-century military engagement in Bengal in which Dutch forces clashed with the British East India Company, marking a key moment in the decline of Dutch influence in the region.
-
B.
Battle of Gujarat
The Battle of Gujrat was a decisive 1849 engagement in the Second Anglo-Sikh War in which British forces defeated the Sikh army, leading to the annexation of the Sikh Empire into British India.
-
C.
Battle of Tanjore
The Battle of Tanjore was a significant 18th-century military engagement in southern India involving Mysore and British-aligned forces during the wider struggle for regional dominance.
-
D.
Battle of Sholinghur
The Battle of Sholinghur was a 1781 engagement in the Second Anglo-Mysore War in which British forces under Sir Eyre Coote defeated Hyder Ali’s army in southern India, helping to check Mysore’s advance.
-
E.
Battle of Ponta Delgada
The Battle of Ponta Delgada was a 1582 naval engagement in the Azores during the War of the Portuguese Succession, where a Spanish fleet decisively defeated a French-supported Portuguese force, securing Spanish dominance over Portugal.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
historical event
ⓘ
naval battle ⓘ |
| aftermath |
Portuguese establishment of a stronghold at Diu
ⓘ
consolidation of Portuguese Estado da Índia ⓘ |
| belligerent |
Arab naval contingents
ⓘ
Gujarat Sultanate NERFINISHED ⓘ Kingdom of Portugal NERFINISHED ⓘ Mamluk Sultanate of Egypt NERFINISHED ⓘ Ottoman-linked forces ⓘ Portuguese Empire NERFINISHED ⓘ Venetian merchants ⓘ Zamorin of Calicut NERFINISHED ⓘ |
| cause |
Mamluk and Gujarati resistance to Portuguese expansion
ⓘ
Portuguese attempt to dominate sea route to India ⓘ competition over control of the spice trade ⓘ |
| combatantStrength |
larger coalition fleet of Mamluk, Gujarati, and allied ships
ⓘ
smaller but better-armed Portuguese fleet ⓘ |
| commander |
Amir Husain Al-Kurdi
NERFINISHED
ⓘ
Francisco de Almeida NERFINISHED ⓘ Lourenço de Almeida NERFINISHED ⓘ Malik Ayyaz NERFINISHED ⓘ |
| conflict | Portuguese–Mamluk naval war NERFINISHED ⓘ |
| conflictType | naval engagement in the Indian Ocean ⓘ |
| countryAtTime | Gujarat Sultanate NERFINISHED ⓘ |
| date | 1509-02-03 ⓘ |
| era |
Age of Exploration
ⓘ
surface form:
Age of Discovery
early 16th century ⓘ |
| historicalSignificance |
shift of spice trade from overland routes to Portuguese-controlled sea routes
ⓘ
turning point in global maritime trade patterns ⓘ |
| location |
Arabian Sea
NERFINISHED
ⓘ
Gulf of Khambhat NERFINISHED ⓘ off the port of Diu ⓘ |
| notableFeature |
marked beginning of long-term European naval dominance in the Indian Ocean
ⓘ
use of heavy Portuguese naval artillery ⓘ |
| opponentOf |
Gujarat Sultanate
NERFINISHED
ⓘ
Mamluk Sultanate of Egypt NERFINISHED ⓘ Zamorin of Calicut NERFINISHED ⓘ |
| partOf | Portuguese expansion in the Indian Ocean NERFINISHED ⓘ |
| result |
Portuguese control of spice trade routes
ⓘ
Portuguese dominance in the Indian Ocean ⓘ decisive Portuguese victory ⓘ decline of Mamluk naval power in the Indian Ocean ⓘ destruction of coalition fleet ⓘ weakening of Gujarati maritime power ⓘ |
| strategicImportance |
control of Indian Ocean trade routes
ⓘ
control of access to the port of Diu ⓘ |
| theater | Indian Ocean theater of Portuguese expansion NERFINISHED ⓘ |
| year | 1509 ⓘ |
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 Diu Description of subject: The Battle of Diu was a decisive 1509 naval engagement in the Indian Ocean in which the Portuguese fleet crushed a coalition of regional powers, securing Portuguese dominance over the spice trade and maritime routes to India.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Battle of Diu (1509)
this entity surface form:
Battle of Diu (1509)
this entity surface form:
Battle of Diu (1509)