Old Arsenal Penitentiary
E711518
Old Arsenal Penitentiary was a 19th-century U.S. military prison in Washington, D.C., best known as the site where several conspirators in the assassination of President Abraham Lincoln were imprisoned and executed.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Old Arsenal Penitentiary canonical | 1 |
| Old Arsenal Penitentiary, Washington, D.C. | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8101488 — 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: Old Arsenal Penitentiary Context triple: [Lincoln assassination conspirators, someMembersExecutedAt, Old Arsenal Penitentiary]
-
A.
Newgate Prison
Newgate Prison was a notorious London jail, long associated with public executions and social unrest, that became infamous for being stormed and burned during the Gordon Riots of 1780.
-
B.
Tolhouse Gaol
Tolhouse Gaol is a historic former prison and courthouse in Great Yarmouth, England, now preserved as a museum showcasing local crime and punishment history.
-
C.
Dorchester Gaol
Dorchester Gaol was a historic English prison in Dorchester, Dorset, known for holding political and religious dissenters among its inmates.
-
D.
Old York Gaol
Old York Gaol is a historic 18th-century jail in York, Maine, recognized as one of the oldest public buildings in the United States and preserved as a museum.
-
E.
Queen's Bench Prison
Queen's Bench Prison was a later London debtors' and civil prison that succeeded the King's Bench Prison as part of England’s historic system of courts and incarceration.
- 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: Old Arsenal Penitentiary Target entity description: Old Arsenal Penitentiary was a 19th-century U.S. military prison in Washington, D.C., best known as the site where several conspirators in the assassination of President Abraham Lincoln were imprisoned and executed.
-
A.
Newgate Prison
Newgate Prison was a notorious London jail, long associated with public executions and social unrest, that became infamous for being stormed and burned during the Gordon Riots of 1780.
-
B.
Tolhouse Gaol
Tolhouse Gaol is a historic former prison and courthouse in Great Yarmouth, England, now preserved as a museum showcasing local crime and punishment history.
-
C.
Dorchester Gaol
Dorchester Gaol was a historic English prison in Dorchester, Dorset, known for holding political and religious dissenters among its inmates.
-
D.
Old York Gaol
Old York Gaol is a historic 18th-century jail in York, Maine, recognized as one of the oldest public buildings in the United States and preserved as a museum.
-
E.
Queen's Bench Prison
Queen's Bench Prison was a later London debtors' and civil prison that succeeded the King's Bench Prison as part of England’s historic system of courts and incarceration.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
19th-century building
ⓘ
United States Army facility ⓘ military prison ⓘ |
| administeredBy | United States Army ⓘ |
| associatedWith | assassination of Abraham Lincoln ⓘ |
| buildingMaterial | brick ⓘ |
| category |
Former prisons in Washington, D.C.
ⓘ
Sites associated with the assassination of Abraham Lincoln ⓘ United States military prisons ⓘ |
| city | Washington ⓘ |
| continent | North America ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| demolished | yes ⓘ |
| district | District of Columbia ⓘ |
| event |
execution of David Herold
ⓘ
execution of George Atzerodt ⓘ execution of Lewis Powell ⓘ execution of Mary Surratt ⓘ |
| function |
detain civilian prisoners under military authority
ⓘ
detain military prisoners ⓘ |
| hasFacility |
cells for solitary confinement
ⓘ
gallows ⓘ |
| heritage | site of major event in U.S. presidential history ⓘ |
| jurisdiction |
War Department of the United States
ⓘ
linked to:
United States Department of War
|
| laterUseOfSite |
Fort Lesley J. McNair
ⓘ
linked to:
Fort McNair
|
| locatedIn | Washington, D.C. ⓘ |
| locatedNear | Potomac River ⓘ |
| locatedOn | Arsenal grounds at the Washington Arsenal ⓘ |
| notableFor |
execution of Lincoln assassination conspirators
ⓘ
imprisonment of Lincoln assassination conspirators ⓘ |
| operatedBy | United States Army ⓘ |
| ownedBy | United States government ⓘ |
| partOf | Washington Arsenal ⓘ |
| prisoner |
David Herold
ⓘ
Dr. Samuel Mudd ⓘ Edman Spangler ⓘ George Atzerodt ⓘ
linked to:
Georg Atzerodt
Lewis Powell ⓘ Mary Surratt ⓘ Michael O’Laughlen ⓘ
linked to:
Michael O'Laughlen
Samuel Arnold ⓘ |
| relatedTo |
history of Washington, D.C.
ⓘ
military justice in the United States ⓘ |
| securityClassification | high security ⓘ |
| timePeriod |
American Civil War era
ⓘ
linked to:
American Civil War
Reconstruction era ⓘ |
| usedFor | execution by hanging ⓘ |
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: Old Arsenal Penitentiary Description of subject: Old Arsenal Penitentiary was a 19th-century U.S. military prison in Washington, D.C., best known as the site where several conspirators in the assassination of President Abraham Lincoln were imprisoned and executed.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Old Arsenal Penitentiary