Devil's Den
E116160
Devil's Den is a rocky hill and famous Civil War battlefield site at Gettysburg known for its intense fighting and iconic wartime photographs.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Devil's Den canonical | 5 |
| Devil’s Den | 2 |
| Devil's Den area | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T982366 — 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: Devil's Den Context triple: [Gettysburg National Military Park, hasPart, Devil's Den]
-
A.
Bloody Ridge
Bloody Ridge is a historically significant World War II battlefield on Guadalcanal in the Solomon Islands, known for a pivotal 1942 clash between U.S. and Japanese forces.
-
B.
Cemetery Hill
Cemetery Hill is a prominent, strategically important rise of ground that formed a key Union defensive position during the Battle of Gettysburg in the American Civil War.
-
C.
Bosses Ridge
Bosses Ridge is a prominent high-altitude snow and ice ridge on Mont Blanc, forming the final exposed section of one of the mountain’s classic summit routes.
-
D.
Hürtgen Forest
Hürtgen Forest is a heavily wooded area in western Germany best known as the site of a prolonged and costly World War II battle between American and German forces.
-
E.
Val-Kill
Val-Kill is the Hyde Park, New York retreat that served as Eleanor Roosevelt’s personal home and later became a national historic site honoring her life and work.
- 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: Devil's Den Target entity description: Devil's Den is a rocky hill and famous Civil War battlefield site at Gettysburg known for its intense fighting and iconic wartime photographs.
-
A.
Bloody Ridge
Bloody Ridge is a historically significant World War II battlefield on Guadalcanal in the Solomon Islands, known for a pivotal 1942 clash between U.S. and Japanese forces.
-
B.
Cemetery Hill
Cemetery Hill is a prominent, strategically important rise of ground that formed a key Union defensive position during the Battle of Gettysburg in the American Civil War.
-
C.
Bosses Ridge
Bosses Ridge is a prominent high-altitude snow and ice ridge on Mont Blanc, forming the final exposed section of one of the mountain’s classic summit routes.
-
D.
Hürtgen Forest
Hürtgen Forest is a heavily wooded area in western Germany best known as the site of a prolonged and costly World War II battle between American and German forces.
-
E.
Val-Kill
Val-Kill is the Hyde Park, New York retreat that served as Eleanor Roosevelt’s personal home and later became a national historic site honoring her life and work.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
American Civil War battlefield location
ⓘ
historic site ⓘ rocky hill ⓘ |
| associatedWithEvent | Battle of Gettysburg ⓘ |
| associatedWithMilitaryUnit |
Birney's Division
ⓘ
Hood's Division ⓘ |
| attackedBy |
Confederate Army of Northern Virginia units
ⓘ
linked to:
Army of Northern Virginia
|
| battlefieldSector | southern part of Gettysburg line ⓘ |
| category |
American Civil War sites in Pennsylvania
ⓘ
Battle of Gettysburg ⓘ Landforms of Adams County, Pennsylvania ⓘ |
| conflict | American Civil War ⓘ |
| controlledBy | Confederate forces on July 2, 1863 ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| dateOfEvent | July 2, 1863 ⓘ |
| defendedBy |
Union Army of the Potomac units
ⓘ
linked to:
Army of the Potomac
|
| elevationRelative | lower than Little Round Top ⓘ |
| geologicalType | diabase boulder field ⓘ |
| hasAlternativeClassification | boulder-strewn hill ⓘ |
| hasFeature |
interpretive markers
ⓘ
parking area nearby ⓘ walking trails ⓘ |
| hasNameOrigin | name predates the Civil War and is associated with local folklore ⓘ |
| hasStrategicSignificance | overlooked Plum Run Valley ⓘ |
| hasViewOf |
Valley of Death (Plum Run Valley)
ⓘ
linked to:
Valley of Death
|
| heritageDesignation | part of Gettysburg National Military Park ⓘ |
| knownFor |
iconic Civil War battlefield photographs
ⓘ
intense fighting during the Battle of Gettysburg ⓘ |
| locatedIn |
Adams County, Pennsylvania
ⓘ
Gettysburg National Military Park ⓘ United States ⓘ
linked to:
United States of America
|
| managedBy | National Park Service ⓘ |
| memorializedBy | various regimental monuments nearby ⓘ |
| nearbyFeature |
Houck's Ridge
ⓘ
Little Round Top ⓘ Plum Run ⓘ |
| notablePhotograph | "Dead Confederate Sharpshooter in Devil's Den" ⓘ |
| ownership |
federal government of the United States
ⓘ
linked to:
United States government
|
| partOf |
Gettysburg Battlefield
ⓘ
linked to:
Gettysburg National Military Park
|
| photographedBy |
Alexander Gardner
ⓘ
Timothy H. O'Sullivan ⓘ |
| state | Pennsylvania ⓘ |
| terrainFeature |
large boulders
ⓘ
rocky outcroppings ⓘ |
| timePeriodOfSignificance | July 1–3, 1863 ⓘ |
| tourism | popular visitor site at Gettysburg ⓘ |
| usedAs | Confederate artillery position during the battle ⓘ |
| visitorAccess | open to the public ⓘ |
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: Devil's Den Description of subject: Devil's Den is a rocky hill and famous Civil War battlefield site at Gettysburg known for its intense fighting and iconic wartime photographs.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Little Round Top (nearby)
linked to: Devil's Den
linked to: Devil's Den
subject linked to:
fighting at Devil’s Den
linked to: Devil's Den