Siege of Calcutta
E30559
The Siege of Calcutta was a 1756 military confrontation in which the Nawab of Bengal’s forces captured the British-held city of Calcutta, setting the stage for subsequent British military campaigns in India.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Siege of Calcutta canonical | 2 |
| Black Hole of Calcutta controversy | 1 |
| Black Hole of Calcutta incident | 1 |
| Fall of Calcutta (1756) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T236532 — 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: Siege of Calcutta Context triple: [Battle of Plassey, precededBy, Siege of Calcutta]
-
A.
Siege of Delhi
The Siege of Delhi was a pivotal 1857 military engagement in which British forces recaptured the Mughal capital from rebel sepoys, marking a turning point in the Indian Rebellion of 1857.
-
B.
Siege of Cawnpore
The Siege of Cawnpore was a brutal and pivotal episode of the Indian Rebellion of 1857, marked by a prolonged rebel siege of British forces and the subsequent massacre of British soldiers and civilians.
-
C.
Siege of Lucknow
The Siege of Lucknow was a prolonged and pivotal defense of the British Residency at Lucknow by British and loyalist forces against rebel sepoys and local insurgents during the Indian Rebellion of 1857.
-
D.
Battle of Plassey
The Battle of Plassey was a pivotal 1757 engagement in Bengal in which the British East India Company defeated the Nawab of Bengal and his French allies, marking the beginning of British colonial dominance in India.
-
E.
Siege of Arcot
The Siege of Arcot was a 1751 military engagement in southern India during the Second Carnatic War, where Robert Clive’s daring defense of the city against a much larger force helped establish British military prestige and influence in the region.
- 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: Siege of Calcutta Target entity description: The Siege of Calcutta was a 1756 military confrontation in which the Nawab of Bengal’s forces captured the British-held city of Calcutta, setting the stage for subsequent British military campaigns in India.
-
A.
Siege of Delhi
The Siege of Delhi was a pivotal 1857 military engagement in which British forces recaptured the Mughal capital from rebel sepoys, marking a turning point in the Indian Rebellion of 1857.
-
B.
Siege of Cawnpore
The Siege of Cawnpore was a brutal and pivotal episode of the Indian Rebellion of 1857, marked by a prolonged rebel siege of British forces and the subsequent massacre of British soldiers and civilians.
-
C.
Siege of Lucknow
The Siege of Lucknow was a prolonged and pivotal defense of the British Residency at Lucknow by British and loyalist forces against rebel sepoys and local insurgents during the Indian Rebellion of 1857.
-
D.
Battle of Plassey
The Battle of Plassey was a pivotal 1757 engagement in Bengal in which the British East India Company defeated the Nawab of Bengal and his French allies, marking the beginning of British colonial dominance in India.
-
E.
Siege of Arcot
The Siege of Arcot was a 1751 military engagement in southern India during the Second Carnatic War, where Robert Clive’s daring defense of the city against a much larger force helped establish British military prestige and influence in the region.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
battle
ⓘ
military siege ⓘ |
| alsoKnownAs |
Siege of Calcutta
ⓘ
surface form:
Fall of Calcutta (1756)
|
| associatedWith | Black Hole of Calcutta ⓘ |
| belligerentStrength |
large army of the Nawab of Bengal
ⓘ
small British and allied garrison ⓘ |
| cause |
British fortification of Calcutta without Nawab’s consent
ⓘ
sheltering of Nawab’s enemies by the British ⓘ tensions between Nawab of Bengal and British East India Company ⓘ |
| combatant |
British East India Company
ⓘ
British garrison of Fort William ⓘ Nawab of Bengal ⓘ |
| commander |
John Zephaniah Holwell
ⓘ
Siraj ud-Daulah ⓘ |
| conflictType |
18th-century military conflict
ⓘ
Anglo-Indian conflict ⓘ |
| countryAtTime |
Bengal Subah
ⓘ
surface form:
Bengal Subah of the Mughal Empire
|
| datePrecision | day ⓘ |
| endDate | 1756-06-20 ⓘ |
| era | Early modern period ⓘ |
| followedBy |
Battle of Plassey
ⓘ
British military campaigns in Bengal ⓘ recapture of Calcutta by British forces ⓘ |
| historicalContext |
European colonial competition in India
ⓘ
Mughal successor state politics ⓘ |
| historicalRegion | Bengal Subah ⓘ |
| involvedFortification |
Fort William, Kolkata
ⓘ
surface form:
Fort William, Calcutta
|
| locatedInPresentDay |
India
ⓘ
Calcutta ⓘ
surface form:
Kolkata
West Bengal ⓘ |
| location |
Calcutta
ⓘ
Fort William ⓘ |
| militaryObjective | seizure of British-held Calcutta ⓘ |
| notableEvent | fall of Fort William ⓘ |
| outcome | temporary expulsion of British from Calcutta ⓘ |
| partOf |
Anglo-French rivalry in India
ⓘ
British expansion in India ⓘ |
| precededBy | Nawab Siraj ud-Daulah’s march on Calcutta ⓘ |
| primaryOpponentOf |
British East India Company
ⓘ
surface form:
British East India Company authorities in Bengal
Siraj ud-Daulah ⓘ
surface form:
Nawab Siraj ud-Daulah
|
| relatedTo |
Second Carnatic War
ⓘ
surface form:
Seven Years’ War in India
|
| result |
Bengali victory
ⓘ
capture of Calcutta by the Nawab of Bengal ⓘ |
| significance |
helped pave the way for British political dominance in Bengal
ⓘ
triggered major British military intervention in Bengal ⓘ |
| startDate | 1756-06-16 ⓘ |
| year | 1756 ⓘ |
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: Siege of Calcutta Description of subject: The Siege of Calcutta was a 1756 military confrontation in which the Nawab of Bengal’s forces captured the British-held city of Calcutta, setting the stage for subsequent British military campaigns in India.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Black Hole of Calcutta controversy
this entity surface form:
Fall of Calcutta (1756)
this entity surface form:
Black Hole of Calcutta incident