Second Battle of Bull Run
E63084
The Second Battle of Bull Run was a major American Civil War engagement in August 1862 in Virginia, where Confederate forces under Robert E. Lee and Thomas “Stonewall” Jackson decisively defeated the Union Army, solidifying Confederate momentum in the Eastern Theater.
All labels observed (7)
How this entity was disambiguated
This entity first appeared as the object of triple T305033 — 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: Second Battle of Bull Run Context triple: [Stonewall Jackson, notableWork, Second Battle of Bull Run]
-
A.
Seven Days Battles
The Seven Days Battles were a series of American Civil War engagements in 1862 near Richmond, Virginia, in which Confederate forces under Robert E. Lee halted the Union Army’s Peninsula Campaign.
-
B.
Battle of Chancellorsville
The Battle of Chancellorsville was a major American Civil War engagement in 1863 in Virginia, noted for Confederate General Robert E. Lee’s audacious and tactically brilliant victory over a much larger Union force.
-
C.
Battle of Gettysburg
The Battle of Gettysburg was a pivotal three-day Civil War clash in 1863 that marked a turning point in favor of the Union and became one of the conflict’s bloodiest and most famous engagements.
-
D.
Battle of Antietam
The Battle of Antietam was a pivotal 1862 clash in the American Civil War, known as the bloodiest single day in U.S. military history and a turning point that enabled Abraham Lincoln to issue the Emancipation Proclamation.
-
E.
Four Days' Battle
The Four Days' Battle was a major 1666 naval engagement between the English and Dutch fleets, renowned as one of the longest and bloodiest sea battles in history.
- 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: Second Battle of Bull Run Target entity description: The Second Battle of Bull Run was a major American Civil War engagement in August 1862 in Virginia, where Confederate forces under Robert E. Lee and Thomas “Stonewall” Jackson decisively defeated the Union Army, solidifying Confederate momentum in the Eastern Theater.
-
A.
Seven Days Battles
The Seven Days Battles were a series of American Civil War engagements in 1862 near Richmond, Virginia, in which Confederate forces under Robert E. Lee halted the Union Army’s Peninsula Campaign.
-
B.
Battle of Chancellorsville
The Battle of Chancellorsville was a major American Civil War engagement in 1863 in Virginia, noted for Confederate General Robert E. Lee’s audacious and tactically brilliant victory over a much larger Union force.
-
C.
Battle of Gettysburg
The Battle of Gettysburg was a pivotal three-day Civil War clash in 1863 that marked a turning point in favor of the Union and became one of the conflict’s bloodiest and most famous engagements.
-
D.
Battle of Antietam
The Battle of Antietam was a pivotal 1862 clash in the American Civil War, known as the bloodiest single day in U.S. military history and a turning point that enabled Abraham Lincoln to issue the Emancipation Proclamation.
-
E.
Four Days' Battle
The Four Days' Battle was a major 1666 naval engagement between the English and Dutch fleets, renowned as one of the longest and bloodiest sea battles in history.
- 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: Second Battle of Bull Run Description of subject: The Second Battle of Bull Run was a major American Civil War engagement in August 1862 in Virginia, where Confederate forces under Robert E. Lee and Thomas “Stonewall” Jackson decisively defeated the Union Army, solidifying Confederate momentum in the Eastern Theater.
Referenced by (59)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Second Bull Run
this entity surface form:
Second Battle of Bull Run battlefield area
this entity surface form:
Second Battle of Manassas