Custom House attack
E87485
The Custom House attack was a major 1921 operation by the Irish Republican Army in Dublin, where they burned the British administrative headquarters to disrupt colonial governance during the Irish War of Independence.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Custom House attack canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T743400 — 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: Custom House attack Context triple: [Irish War of Independence, keyEvent, Custom House attack]
-
A.
Sabotage
"Sabotage" is a 2014 American action thriller film directed by David Ayer, featuring an ensemble cast led by Arnold Schwarzenegger as members of an elite DEA task force.
-
B.
Attack on Deerfield
Attack on Deerfield was a devastating 1704 French and Native American raid on the English frontier settlement of Deerfield, Massachusetts, resulting in many deaths and captives and becoming one of the most infamous incidents of colonial-era frontier warfare.
-
C.
Revenge of the Hackers
Revenge of the Hackers is an essay by open-source advocate Eric S. Raymond that chronicles the rise of the open-source movement and the cultural shift it brought to the software industry.
-
D.
Emneth Hungate
Emneth Hungate is a small rural settlement in Norfolk, England, known historically for its agricultural landscape and former railway connections.
-
E.
Wikkit Gate
Wikkit Gate is a powerful, universe-encompassing force field and key plot device in Douglas Adams' "Life, the Universe and Everything," central to a scheme to destroy the universe.
- 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: Custom House attack Target entity description: The Custom House attack was a major 1921 operation by the Irish Republican Army in Dublin, where they burned the British administrative headquarters to disrupt colonial governance during the Irish War of Independence.
-
A.
Sabotage
"Sabotage" is a 2014 American action thriller film directed by David Ayer, featuring an ensemble cast led by Arnold Schwarzenegger as members of an elite DEA task force.
-
B.
Attack on Deerfield
Attack on Deerfield was a devastating 1704 French and Native American raid on the English frontier settlement of Deerfield, Massachusetts, resulting in many deaths and captives and becoming one of the most infamous incidents of colonial-era frontier warfare.
-
C.
Revenge of the Hackers
Revenge of the Hackers is an essay by open-source advocate Eric S. Raymond that chronicles the rise of the open-source movement and the cultural shift it brought to the software industry.
-
D.
Emneth Hungate
Emneth Hungate is a small rural settlement in Norfolk, England, known historically for its agricultural landscape and former railway connections.
-
E.
Wikkit Gate
Wikkit Gate is a powerful, universe-encompassing force field and key plot device in Douglas Adams' "Life, the Universe and Everything," central to a scheme to destroy the universe.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Irish Republican Army operation
ⓘ
arson attack ⓘ military operation ⓘ |
| aftermath |
British administration relocated some functions after the attack
ⓘ
many Dublin Brigade members imprisoned ⓘ |
| alsoKnownAs |
Custom House attack (Dublin)
ⓘ
surface form:
Burning of the Custom House
|
| associatedWith |
Irish War of Independence
ⓘ
surface form:
Anglo-Irish conflict
Irish revolutionary period ⓘ |
| belongsTo |
history of Dublin
ⓘ
history of the Irish War of Independence ⓘ |
| casualties |
civilian casualties
ⓘ
multiple IRA volunteers killed ⓘ |
| chronology | occurred shortly before the July 1921 truce in the Irish War of Independence ⓘ |
| commandedBy |
Irish Republican Army (1919–1922)
ⓘ
surface form:
Irish Republican Army Dublin Brigade leadership
|
| conflict | Irish War of Independence ⓘ |
| country | Ireland ⓘ |
| damage |
Custom House interior largely destroyed
ⓘ
extensive loss of government records ⓘ |
| date | 25 May 1921 ⓘ |
| hasCause | Irish struggle for independence from the United Kingdom ⓘ |
| historicalPeriod | early 20th century ⓘ |
| location |
Custom House, Dublin
ⓘ
Dublin ⓘ |
| method |
building set on fire
ⓘ
incendiary attack ⓘ |
| objective |
to destroy the British administrative headquarters in Ireland
ⓘ
to disrupt British colonial governance in Ireland ⓘ |
| opponent |
British Army
ⓘ
British authorities in Ireland ⓘ Royal Irish Constabulary ⓘ |
| organisedBy |
Provisional Irish Republican Army
ⓘ
surface form:
Irish Republican Army Dublin Brigade
|
| partOf | Irish War of Independence ⓘ |
| perpetrator | Irish Republican Army ⓘ |
| politicalContext |
British rule in Ireland
ⓘ
Irish republican movement ⓘ |
| result |
Custom House severely damaged by fire
ⓘ
large number of IRA volunteers captured ⓘ major destruction of British administrative records in Ireland ⓘ significant propaganda victory for the Irish Republican Army ⓘ |
| significance |
major event in Dublin during the Irish War of Independence
ⓘ
one of the largest IRA operations of the Irish War of Independence ⓘ symbolic blow against British rule in Ireland ⓘ |
| target |
British administration in Ireland
ⓘ
Custom House, Dublin ⓘ
surface form:
Custom House (Dublin)
|
| typeOfEvent | urban guerrilla operation ⓘ |
| year | 1921 ⓘ |
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: Custom House attack Description of subject: The Custom House attack was a major 1921 operation by the Irish Republican Army in Dublin, where they burned the British administrative headquarters to disrupt colonial governance during the Irish War of Independence.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.