Union Army of Northeastern Virginia
E318903
The Union Army of Northeastern Virginia was the primary Federal field army in the Eastern Theater at the outset of the American Civil War, best known for its role in the First Battle of Bull Run in 1861.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Army of Northeastern Virginia | 5 |
| Union Army of Northeastern Virginia canonical | 2 |
| Union Army of North-eastern Virginia | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2872814 — 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: Union Army of Northeastern Virginia Context triple: [Matthews Hill, associatedWith, Union Army of Northeastern Virginia]
-
A.
Army of Virginia
The Army of Virginia was a short-lived Union field army in the American Civil War, formed in 1862 under Major General John Pope and best known for its defeat at the Second Battle of Bull Run.
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B.
Army of the Shenandoah (Confederate)
The Army of the Shenandoah (Confederate) was an early Confederate field army operating in the strategically vital Shenandoah Valley of Virginia during the opening phase of the American Civil War.
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C.
First Corps, Army of Northern Virginia
The First Corps, Army of Northern Virginia was a principal Confederate field corps in the American Civil War, best known for its major role in key Eastern Theater battles under General James Longstreet.
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D.
Second Corps, Army of Northern Virginia
The Second Corps, Army of Northern Virginia was a major Confederate field corps in the American Civil War, best known for its pivotal role in many Eastern Theater battles under the leadership of General Thomas “Stonewall” Jackson and his successors.
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E.
Army of Northern Virginia
The Army of Northern Virginia was the Confederacy’s principal field army in the Eastern Theater of the American Civil War, renowned for its major campaigns and battles under General Robert E. Lee.
- 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: Union Army of Northeastern Virginia Target entity description: The Union Army of Northeastern Virginia was the primary Federal field army in the Eastern Theater at the outset of the American Civil War, best known for its role in the First Battle of Bull Run in 1861.
-
A.
Army of Virginia
The Army of Virginia was a short-lived Union field army in the American Civil War, formed in 1862 under Major General John Pope and best known for its defeat at the Second Battle of Bull Run.
-
B.
Army of the Shenandoah (Confederate)
The Army of the Shenandoah (Confederate) was an early Confederate field army operating in the strategically vital Shenandoah Valley of Virginia during the opening phase of the American Civil War.
-
C.
First Corps, Army of Northern Virginia
The First Corps, Army of Northern Virginia was a principal Confederate field corps in the American Civil War, best known for its major role in key Eastern Theater battles under General James Longstreet.
-
D.
Second Corps, Army of Northern Virginia
The Second Corps, Army of Northern Virginia was a major Confederate field corps in the American Civil War, best known for its pivotal role in many Eastern Theater battles under the leadership of General Thomas “Stonewall” Jackson and his successors.
-
E.
Army of Northern Virginia
The Army of Northern Virginia was the Confederacy’s principal field army in the Eastern Theater of the American Civil War, renowned for its major campaigns and battles under General Robert E. Lee.
- F. None of above. chosen
Statements (39)
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: Union Army of Northeastern Virginia Description of subject: The Union Army of Northeastern Virginia was the primary Federal field army in the Eastern Theater at the outset of the American Civil War, best known for its role in the First Battle of Bull Run in 1861.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Army of Northeastern Virginia
this entity surface form:
Army of Northeastern Virginia
this entity surface form:
Army of Northeastern Virginia
Union Army positions in First Battle of Bull Run
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component
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Union Army of Northeastern Virginia
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this entity surface form:
Army of Northeastern Virginia
this entity surface form:
Army of Northeastern Virginia
this entity surface form:
Union Army of North-eastern Virginia