Battle of Crampton’s Gap
E542521
The Battle of Crampton’s Gap was an American Civil War clash on September 14, 1862, in which Union forces seized a key South Mountain pass in Maryland, helping to set the stage for the Battle of Antietam.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Battle of Boonsboro | 1 |
| Battle of Crampton’s Gap canonical | 1 |
| Battle of Turner’s Gap | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5553062 — 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: Battle of Crampton’s Gap Context triple: [Maryland Campaign, includesEngagement, Battle of Crampton’s Gap]
-
A.
Battle of Heller's Corner
The Battle of Heller's Corner was a skirmish during General Josiah Harmar's 1790 campaign in the Northwest Indian War, involving clashes between U.S. forces and Native American warriors in the Ohio Country.
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B.
Battle of Front Royal
The Battle of Front Royal was an 1862 American Civil War engagement in Virginia where Confederate forces under Stonewall Jackson achieved a key victory that helped drive Union troops from the Shenandoah Valley.
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C.
Battle of Upperville
The Battle of Upperville was a June 1863 American Civil War cavalry engagement in Virginia, fought between Union and Confederate forces as part of the maneuvering that preceded the Battle of Gettysburg.
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D.
Battle of Shepherdstown
The Battle of Shepherdstown was a minor but strategically important American Civil War engagement in September 1862, marking the Confederate rearguard action as Robert E. Lee’s army withdrew across the Potomac River after the Maryland Campaign.
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E.
Battle of Cross Keys
The Battle of Cross Keys was an American Civil War engagement in June 1862 in Virginia, where Confederate forces under Richard S. Ewell repelled a Union attack as part of Stonewall Jackson’s Shenandoah Valley operations.
- 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: Battle of Crampton’s Gap Target entity description: The Battle of Crampton’s Gap was an American Civil War clash on September 14, 1862, in which Union forces seized a key South Mountain pass in Maryland, helping to set the stage for the Battle of Antietam.
-
A.
Battle of Heller's Corner
The Battle of Heller's Corner was a skirmish during General Josiah Harmar's 1790 campaign in the Northwest Indian War, involving clashes between U.S. forces and Native American warriors in the Ohio Country.
-
B.
Battle of Front Royal
The Battle of Front Royal was an 1862 American Civil War engagement in Virginia where Confederate forces under Stonewall Jackson achieved a key victory that helped drive Union troops from the Shenandoah Valley.
-
C.
Battle of Upperville
The Battle of Upperville was a June 1863 American Civil War cavalry engagement in Virginia, fought between Union and Confederate forces as part of the maneuvering that preceded the Battle of Gettysburg.
-
D.
Battle of Shepherdstown
The Battle of Shepherdstown was a minor but strategically important American Civil War engagement in September 1862, marking the Confederate rearguard action as Robert E. Lee’s army withdrew across the Potomac River after the Maryland Campaign.
-
E.
Battle of Cross Keys
The Battle of Cross Keys was an American Civil War engagement in June 1862 in Virginia, where Confederate forces under Richard S. Ewell repelled a Union attack as part of Stonewall Jackson’s Shenandoah Valley operations.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
American Civil War battle
ⓘ
battle ⓘ |
| alsoKnownAs | Battle of Burkittsville NERFINISHED ⓘ |
| associatedWithDocument | Special Order 191 NERFINISHED ⓘ |
| belligerent |
Confederate States Army
NERFINISHED
ⓘ
Union Army NERFINISHED ⓘ |
| campaignCommanderConfederate | General Robert E. Lee NERFINISHED ⓘ |
| campaignCommanderUnion | Major General George B. McClellan NERFINISHED ⓘ |
| category |
1862 in Maryland
ⓘ
Battles of the Eastern Theater of the American Civil War NERFINISHED ⓘ Battles of the Maryland Campaign NERFINISHED ⓘ |
| combatant |
Confederate States of America
NERFINISHED
ⓘ
United States NERFINISHED ⓘ |
| commander |
Alfred H. Colquitt
NERFINISHED
ⓘ
Howell Cobb NERFINISHED ⓘ Thomas R. R. Cobb NERFINISHED ⓘ William B. Franklin NERFINISHED ⓘ |
| ConfederateBrigadeEngaged |
Cobb’s brigade
ⓘ
Mahone’s brigade (elements) NERFINISHED ⓘ Semmes’s brigade NERFINISHED ⓘ |
| ConfederateForceCommander | Brigadier General Howell Cobb NERFINISHED ⓘ |
| conflict | American Civil War ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| date | 1862-09-14 ⓘ |
| followedBy | Battle of Antietam NERFINISHED ⓘ |
| front | Eastern Theater of the American Civil War NERFINISHED ⓘ |
| helpedSetStageFor | Battle of Antietam NERFINISHED ⓘ |
| location |
Crampton’s Gap
NERFINISHED
ⓘ
Maryland NERFINISHED ⓘ South Mountain NERFINISHED ⓘ |
| near | Burkittsville, Maryland NERFINISHED ⓘ |
| notableFeature | Union assault against a smaller Confederate force holding the gap ⓘ |
| objective | seize Crampton’s Gap on South Mountain ⓘ |
| partOf | Maryland Campaign NERFINISHED ⓘ |
| partOfCampaign | Robert E. Lee’s first invasion of the North ⓘ |
| precededBy | Battle of South Mountain NERFINISHED ⓘ |
| result | Union victory ⓘ |
| state | Maryland ⓘ |
| strategicImportance |
access to the Shenandoah Valley via Pleasant Valley
ⓘ
control of South Mountain passes ⓘ |
| terrain | mountain pass ⓘ |
| timePeriod | September 1862 ⓘ |
| UnionCorpsEngaged | VI Corps NERFINISHED ⓘ |
| UnionDivisionEngaged |
Slocum’s division
NERFINISHED
ⓘ
Smith’s division NERFINISHED ⓘ |
| UnionForceCommander | Major General William B. Franklin NERFINISHED ⓘ |
| UnionObjective |
break through South Mountain to Pleasant Valley
ⓘ
relieve the Union garrison at Harpers Ferry ⓘ |
| year | 1862 ⓘ |
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: Battle of Crampton’s Gap Description of subject: The Battle of Crampton’s Gap was an American Civil War clash on September 14, 1862, in which Union forces seized a key South Mountain pass in Maryland, helping to set the stage for the Battle of Antietam.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Battle of Boonsboro
this entity surface form:
Battle of Turner’s Gap