Confederate Army positions in First Battle of Bull Run
E279083
Confederate Army positions in the First Battle of Bull Run were the strategically arranged defensive and offensive lines, notably around key terrain such as Henry Hill, that enabled Confederate forces to repel Union attacks and secure their early Civil War victory.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Confederate Army positions in First Battle of Bull Run canonical | 2 |
| Confederate Army (for encampment and headquarters near Manassas) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2539797 — 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: Confederate Army positions in First Battle of Bull Run Context triple: [Henry Hill, associatedWith, Confederate Army positions in First Battle of Bull Run]
-
A.
Union Army positions in First Battle of Bull Run
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.
-
B.
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.
-
C.
Bull Run
Bull Run is a small stream in northern Virginia that gained historical significance as the site of two major American Civil War battles.
-
D.
Sunken Road and Marye’s Heights
Sunken Road and Marye’s Heights is a key Civil War battlefield site in Fredericksburg, Virginia, known for the devastating Confederate defensive position during the Battle of Fredericksburg.
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E.
Manassas Line
The Manassas Line is a commuter rail route in Northern Virginia that connects suburban communities to Washington, D.C. as part of the Virginia Railway Express system.
- 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: Confederate Army positions in First Battle of Bull Run Target entity description: Confederate Army positions in the First Battle of Bull Run were the strategically arranged defensive and offensive lines, notably around key terrain such as Henry Hill, that enabled Confederate forces to repel Union attacks and secure their early Civil War victory.
-
A.
Union Army positions in First Battle of Bull Run
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.
-
B.
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.
-
C.
Bull Run
Bull Run is a small stream in northern Virginia that gained historical significance as the site of two major American Civil War battles.
-
D.
Sunken Road and Marye’s Heights
Sunken Road and Marye’s Heights is a key Civil War battlefield site in Fredericksburg, Virginia, known for the devastating Confederate defensive position during the Battle of Fredericksburg.
-
E.
Manassas Line
The Manassas Line is a commuter rail route in Northern Virginia that connects suburban communities to Washington, D.C. as part of the Virginia Railway Express system.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
military deployment
ⓘ
order of battle element ⓘ |
| associatedCommander |
Barnard Bee
ⓘ
Francis S. Bartow ⓘ J.E.B. Stuart ⓘ
surface form:
J. E. B. Stuart
Joseph E. Johnston ⓘ Brigadier General P. G. T. Beauregard ⓘ
surface form:
P. G. T. Beauregard
Stonewall Jackson ⓘ
surface form:
Thomas J. “Stonewall” Jackson
Wade Hampton III ⓘ |
| conflict | First Battle of Bull Run ⓘ |
| date | 1861-07-21 ⓘ |
| defensiveLineAlong | Bull Run stream ⓘ |
| engagedOpponent | Union Army of Northeastern Virginia positions ⓘ |
| frontLineArea | Bull Run ⓘ |
| includedArtilleryPosition |
Confederate batteries covering Stone Bridge
ⓘ
Confederate batteries near the Stone House ⓘ Confederate batteries on Henry House Hill ⓘ |
| includedBrigadePosition |
Barnard Bee’s brigade near Henry House Hill
ⓘ
Francis S. Bartow’s brigade near Henry House Hill ⓘ Thomas J. Jackson’s brigade on Henry House Hill ⓘ Wade Hampton’s Legion supporting Henry House Hill ⓘ |
| includedCavalryPosition |
Cavalry screening on the flanks of the Bull Run line
ⓘ
J. E. B. Stuart’s cavalry near Henry House Hill ⓘ |
| includedUnit |
Army of the Potomac (Confederate)
ⓘ
Army of the Shenandoah (Confederate) ⓘ |
| initiallyCommandedBy |
Brigadier General P. G. T. Beauregard
ⓘ
surface form:
P. G. T. Beauregard
|
| keyTerrain |
Blackburn’s Ford
ⓘ
Henry House Hill ⓘ Matthews Hill ⓘ Boteler’s Ford ⓘ
surface form:
Mitchell’s Ford
Stone Bridge ⓘ Sudley Ford ⓘ Union Mills Ford ⓘ |
| locatedIn |
Fairfax County, Virginia
ⓘ
Prince William County, Virginia ⓘ |
| locatedNear |
Manassas
ⓘ
surface form:
Manassas Junction
|
| militaryBranch | Confederate States Army ⓘ |
| notableFeature |
concentration of Confederate brigades on Henry House Hill in afternoon phase
ⓘ
use of interior lines between Henry House Hill and other fords ⓘ |
| overallCommandCoordinationWith | Joseph E. Johnston ⓘ |
| partOf |
Eastern Theater of the American Civil War
ⓘ
surface form:
Confederate States Army operations in the Eastern Theater of the American Civil War
|
| reinforcedBy | Confederate troops arriving from the Shenandoah Valley by rail ⓘ |
| resultContribution | Confederate victory at First Battle of Bull Run ⓘ |
| strategicPurpose |
block Union advance toward Richmond
ⓘ
defend approaches to Manassas Junction ⓘ |
| tacticalPurpose |
anchor defensive line on natural obstacles such as Bull Run
ⓘ
enable counterattacks against exposed Union flanks ⓘ use high ground of Henry House Hill for artillery dominance ⓘ |
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: Confederate Army positions in First Battle of Bull Run Description of subject: Confederate Army positions in the First Battle of Bull Run were the strategically arranged defensive and offensive lines, notably around key terrain such as Henry Hill, that enabled Confederate forces to repel Union attacks and secure their early Civil War victory.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
Union Army positions in First Battle of Bull Run
→
opposedTo
→
Confederate Army positions in First Battle of Bull Run
ⓘ
this entity surface form:
Confederate Army (for encampment and headquarters near Manassas)