South Mountain State Battlefield
E316329
South Mountain State Battlefield is a historic Civil War site in Maryland that preserves and interprets the battlegrounds of the 1862 Battle of South Mountain.
All labels observed (3)
| Label | Occurrences |
|---|---|
| South Mountain State Battlefield canonical | 6 |
| South Mountain Battlefield | 1 |
| South Mountain State Battlefield vicinity | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2990775 — 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: South Mountain State Battlefield Context triple: [Hagerstown, Maryland, near, South Mountain State Battlefield]
-
A.
North Point State Battlefield
North Point State Battlefield is a historic park in Maryland preserving the site of the 1814 Battle of North Point from the War of 1812.
-
B.
Cedar Mountain Battlefield
Cedar Mountain Battlefield is a historic American Civil War battle site in Virginia, preserved as a park and memorial to the 1862 clash between Union and Confederate forces.
-
C.
Olustee Battlefield Historic State Park
Olustee Battlefield Historic State Park is a Florida state park preserving the site of the largest Civil War battle fought in the state, featuring a museum, monuments, and interpretive trails.
-
D.
Newtown Battlefield State Park
Newtown Battlefield State Park is a historic site and public recreation area in Chemung County, New York, preserving the location of a major 1779 Revolutionary War battle between Continental Army forces and British-allied Iroquois.
-
E.
Monmouth Battlefield State Park
Monmouth Battlefield State Park is a historic New Jersey state park preserving the site of the pivotal 1778 Revolutionary War Battle of Monmouth, featuring interpretive trails, monuments, and visitor facilities.
- 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: South Mountain State Battlefield Target entity description: South Mountain State Battlefield is a historic Civil War site in Maryland that preserves and interprets the battlegrounds of the 1862 Battle of South Mountain.
-
A.
North Point State Battlefield
North Point State Battlefield is a historic park in Maryland preserving the site of the 1814 Battle of North Point from the War of 1812.
-
B.
Cedar Mountain Battlefield
Cedar Mountain Battlefield is a historic American Civil War battle site in Virginia, preserved as a park and memorial to the 1862 clash between Union and Confederate forces.
-
C.
Olustee Battlefield Historic State Park
Olustee Battlefield Historic State Park is a Florida state park preserving the site of the largest Civil War battle fought in the state, featuring a museum, monuments, and interpretive trails.
-
D.
Newtown Battlefield State Park
Newtown Battlefield State Park is a historic site and public recreation area in Chemung County, New York, preserving the location of a major 1779 Revolutionary War battle between Continental Army forces and British-allied Iroquois.
-
E.
Monmouth Battlefield State Park
Monmouth Battlefield State Park is a historic New Jersey state park preserving the site of the pivotal 1778 Revolutionary War Battle of Monmouth, featuring interpretive trails, monuments, and visitor facilities.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
American Civil War battlefield
ⓘ
historic site ⓘ state battlefield ⓘ |
| accessibleVia |
Maryland Route 67
ⓘ
U.S. Route 40 ⓘ U.S. Route 40 Alternate NERFINISHED ⓘ |
| battlefieldOf |
Army of Northern Virginia
ⓘ
surface form:
Confederate Army of Northern Virginia
Army of the Potomac ⓘ
surface form:
Union Army of the Potomac
|
| category |
American Civil War sites in Maryland
ⓘ
Protected areas of Maryland ⓘ |
| conflict | American Civil War ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| event | Battle of South Mountain ⓘ |
| hasPart |
Crampton’s Gap
ⓘ
Fox’s Gap ⓘ Turner’s Gap ⓘ battlefield overlooks ⓘ historic markers ⓘ interpretive trails ⓘ parking areas ⓘ picnic areas ⓘ scenic overlooks ⓘ trailheads ⓘ visitor facilities ⓘ |
| hasView | Appalachian Mountains ⓘ |
| heritageDesignation | Maryland state battlefield ⓘ |
| locatedIn |
Catoctin Mountain
ⓘ
surface form:
Catoctin Mountain region
Frederick County, Maryland ⓘ Maryland ⓘ Mid-Atlantic states ⓘ
surface form:
Mid-Atlantic United States
Washington County, Maryland ⓘ |
| locatedOn | South Mountain ⓘ |
| managedBy | Maryland Department of Natural Resources ⓘ |
| near |
Boonsboro, Maryland
NERFINISHED
ⓘ
Burkittsville, Maryland NERFINISHED ⓘ Middletown, Maryland NERFINISHED ⓘ |
| offersActivity |
hiking
ⓘ
historical touring ⓘ picnicking ⓘ wildlife viewing ⓘ |
| ownedBy |
Maryland
ⓘ
surface form:
State of Maryland
|
| partOf | South Mountain State Park ⓘ |
| purpose |
historical interpretation
ⓘ
preservation of Civil War battlefield ⓘ public recreation ⓘ |
| significantEventDate | 1862-09-14 ⓘ |
| topic |
Maryland Campaign
ⓘ
surface form:
Maryland Campaign of 1862
|
| traversedBy | Appalachian Trail ⓘ |
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: South Mountain State Battlefield Description of subject: South Mountain State Battlefield is a historic Civil War site in Maryland that preserves and interprets the battlegrounds of the 1862 Battle of South Mountain.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
South Mountain Battlefield
this entity surface form:
South Mountain State Battlefield vicinity