Battle of Monterey Pass
E511790
The Battle of Monterey Pass was a nighttime Civil War engagement in July 1863 in Pennsylvania, where Union forces attacked the retreating Confederate wagon train following the Battle of Gettysburg.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Battle of Monterey Pass canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5270732 — 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 Monterey Pass Context triple: [Gettysburg Campaign, majorEngagement, Battle of Monterey Pass]
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A.
Battle of San Carlos
The Battle of San Carlos was an early 1982 Falklands War engagement in which British forces established and defended a crucial beachhead against Argentine air attacks in San Carlos Water.
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B.
Battle of San Pasqual
The Battle of San Pasqual was an 1846 engagement during the Mexican–American War in Southern California, notable for being one of the bloodiest battles in the region and a rare tactical setback for U.S. forces.
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C.
Battle of Rio San Gabriel
The Battle of Rio San Gabriel was an 1847 engagement of the Mexican–American War in which U.S. forces secured a key victory near Los Angeles, helping to establish control over Southern California.
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D.
Battle of Resaca de la Palma
The Battle of Resaca de la Palma was a key 1846 engagement in the Mexican–American War in which U.S. forces under General Zachary Taylor defeated Mexican troops near the Rio Grande, helping secure American control of northern Mexico.
-
E.
Battle of Camino Real
The Battle of Camino Real was a significant military engagement during Ecuador’s struggle to break free from Spanish colonial rule in the early 19th century.
- 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 Monterey Pass Target entity description: The Battle of Monterey Pass was a nighttime Civil War engagement in July 1863 in Pennsylvania, where Union forces attacked the retreating Confederate wagon train following the Battle of Gettysburg.
-
A.
Battle of San Carlos
The Battle of San Carlos was an early 1982 Falklands War engagement in which British forces established and defended a crucial beachhead against Argentine air attacks in San Carlos Water.
-
B.
Battle of San Pasqual
The Battle of San Pasqual was an 1846 engagement during the Mexican–American War in Southern California, notable for being one of the bloodiest battles in the region and a rare tactical setback for U.S. forces.
-
C.
Battle of Rio San Gabriel
The Battle of Rio San Gabriel was an 1847 engagement of the Mexican–American War in which U.S. forces secured a key victory near Los Angeles, helping to establish control over Southern California.
-
D.
Battle of Resaca de la Palma
The Battle of Resaca de la Palma was a key 1846 engagement in the Mexican–American War in which U.S. forces under General Zachary Taylor defeated Mexican troops near the Rio Grande, helping secure American control of northern Mexico.
-
E.
Battle of Camino Real
The Battle of Camino Real was a significant military engagement during Ecuador’s struggle to break free from Spanish colonial rule in the early 19th century.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
American Civil War battle
ⓘ
battle ⓘ |
| alsoKnownAs |
Battle of South Mountain Pass (1863)
NERFINISHED
ⓘ
Fight at Monterey Pass NERFINISHED ⓘ |
| approximateConfederateStrength | about 1,300 men ⓘ |
| approximateUnionStrength | about 2,100 men ⓘ |
| belligerent |
Confederate States Army
NERFINISHED
ⓘ
Union Army NERFINISHED ⓘ |
| campaignCommanderConfederate | Robert E. Lee NERFINISHED ⓘ |
| campaignCommanderUnion | George G. Meade NERFINISHED ⓘ |
| capturedPrisoners | over 1,300 prisoners ⓘ |
| capturedWagons | over 250 wagons ⓘ |
| commander |
George A. Custer
NERFINISHED
ⓘ
J. Irvin Gregg NERFINISHED ⓘ Samuel W. Ferguson NERFINISHED ⓘ William E. Jones NERFINISHED ⓘ |
| commemoratedBy | Monterey Pass Battlefield Park and Museum NERFINISHED ⓘ |
| confederateCasualties | several hundred including captured ⓘ |
| confederateForcesType | cavalry ⓘ |
| conflict | American Civil War ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| date | July 4–5, 1863 ⓘ |
| followedBy | Hagerstown cavalry skirmishes ⓘ |
| hasHistoricMarker | Pennsylvania state historical marker at Monterey Pass ⓘ |
| involvedRetreatFrom | Battle of Gettysburg NERFINISHED ⓘ |
| location |
Franklin County, Pennsylvania
NERFINISHED
ⓘ
Monterey Pass, Pennsylvania NERFINISHED ⓘ |
| near |
Blue Ridge Summit, Pennsylvania
NERFINISHED
ⓘ
Waynesboro, Pennsylvania NERFINISHED ⓘ |
| notableFeature |
engagement with long Confederate wagon train
ⓘ
fought largely in darkness ⓘ |
| objective |
attack Confederate wagon train
ⓘ
disrupt Confederate retreat ⓘ |
| partOf | Gettysburg Campaign NERFINISHED ⓘ |
| partOfRetreatRoute | Robert E. Lee's retreat from Gettysburg ⓘ |
| precededBy | Battle of Gettysburg NERFINISHED ⓘ |
| result | Union victory ⓘ |
| state | Pennsylvania ⓘ |
| target | Confederate wagon train ⓘ |
| terrain | mountain pass ⓘ |
| timeOfDay | night ⓘ |
| tookPlaceAt | South Mountain NERFINISHED ⓘ |
| unionCasualties | approximately 100 ⓘ |
| unionForcesType | cavalry ⓘ |
| wasFollowUpTo | Battle of Gettysburg NERFINISHED ⓘ |
| weather | heavy rain ⓘ |
| year | 1863 ⓘ |
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 Monterey Pass Description of subject: The Battle of Monterey Pass was a nighttime Civil War engagement in July 1863 in Pennsylvania, where Union forces attacked the retreating Confederate wagon train following the Battle of Gettysburg.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.