Union Army positions in First Battle of Bull Run
E277201
Union Army positions in the First Battle of Bull Run were the strategically arranged lines and artillery placements, including those on Henry Hill, that formed the main Federal battlefront during the opening major land engagement of the American Civil War.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Union Army forces at First Bull Run | 1 |
| Union Army positions in First Battle of Bull Run canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2539796 — 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 positions in First Battle of Bull Run Context triple: [Henry Hill, associatedWith, Union Army positions in First Battle of Bull Run]
-
A.
First Battle of Bull Run
The First Battle of Bull Run was the opening major land battle of the American Civil War, resulting in a Confederate victory and shattering early illusions of a quick and easy conflict.
-
B.
Union Army campaigns
Union Army campaigns were the major military operations conducted by the United States forces during the American Civil War to defeat the Confederacy and restore the Union.
-
C.
United States Marines under Robert E. Lee
The United States Marines under Robert E. Lee were the federal troops that swiftly stormed Harpers Ferry to capture John Brown and end his 1859 abolitionist insurrection.
-
D.
Army of the Potomac
The Army of the Potomac was the principal Union field army in the Eastern Theater of the American Civil War, best known for its major campaigns against Confederate forces in Virginia.
-
E.
First United States Army
The First United States Army is a major field army formation of the U.S. Army that played a key role in European operations during World War II, including the Battle of the Bulge.
- 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 positions in First Battle of Bull Run Target entity description: Union Army positions in the First Battle of Bull Run were the strategically arranged lines and artillery placements, including those on Henry Hill, that formed the main Federal battlefront during the opening major land engagement of the American Civil War.
-
A.
First Battle of Bull Run
The First Battle of Bull Run was the opening major land battle of the American Civil War, resulting in a Confederate victory and shattering early illusions of a quick and easy conflict.
-
B.
Union Army campaigns
Union Army campaigns were the major military operations conducted by the United States forces during the American Civil War to defeat the Confederacy and restore the Union.
-
C.
United States Marines under Robert E. Lee
The United States Marines under Robert E. Lee were the federal troops that swiftly stormed Harpers Ferry to capture John Brown and end his 1859 abolitionist insurrection.
-
D.
Army of the Potomac
The Army of the Potomac was the principal Union field army in the Eastern Theater of the American Civil War, best known for its major campaigns against Confederate forces in Virginia.
-
E.
First United States Army
The First United States Army is a major field army formation of the U.S. Army that played a key role in European operations during World War II, including the Battle of the Bulge.
- F. None of above. chosen
Statements (48)
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 positions in First Battle of Bull Run Description of subject: Union Army positions in the First Battle of Bull Run were the strategically arranged lines and artillery placements, including those on Henry Hill, that formed the main Federal battlefront during the opening major land engagement of the American Civil War.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Union Army positions in First Battle of Bull Run