Fort Harrison sector
E786837
The Fort Harrison sector was a key portion of the Confederate defensive lines southeast of Richmond, Virginia, centered on Fort Harrison and the surrounding fortifications that saw significant action during the Civil War.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Fort Harrison sector canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9243080 — 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: Fort Harrison sector Context triple: [Richmond defenses, notableSector, Fort Harrison sector]
-
A.
Kelley Barracks
Kelley Barracks is a U.S. Army installation in Stuttgart, Germany, best known as the home base of United States Africa Command (USAFRICOM).
-
B.
Fort Sedgwick area
The Fort Sedgwick area is a preserved section of the Petersburg National Battlefield in Virginia, encompassing the remains and surroundings of one of the Civil War’s key Union fortifications during the siege of Petersburg.
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C.
Schofield Barracks
Schofield Barracks is a major U.S. Army installation in central Oahu, Hawaii, serving as a key training and operational base for Pacific forces.
-
D.
Fort Dix
Fort Dix is a major U.S. Army installation in New Jersey that has long served as a key training and mobilization center for American soldiers.
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E.
Fort Carroll
Fort Carroll is a 19th-century artificial island fortification in the Patapsco River near Baltimore, Maryland, built for coastal defense and now largely abandoned.
- 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: Fort Harrison sector Target entity description: The Fort Harrison sector was a key portion of the Confederate defensive lines southeast of Richmond, Virginia, centered on Fort Harrison and the surrounding fortifications that saw significant action during the Civil War.
-
A.
Kelley Barracks
Kelley Barracks is a U.S. Army installation in Stuttgart, Germany, best known as the home base of United States Africa Command (USAFRICOM).
-
B.
Fort Sedgwick area
The Fort Sedgwick area is a preserved section of the Petersburg National Battlefield in Virginia, encompassing the remains and surroundings of one of the Civil War’s key Union fortifications during the siege of Petersburg.
-
C.
Schofield Barracks
Schofield Barracks is a major U.S. Army installation in central Oahu, Hawaii, serving as a key training and operational base for Pacific forces.
-
D.
Fort Dix
Fort Dix is a major U.S. Army installation in New Jersey that has long served as a key training and mobilization center for American soldiers.
-
E.
Fort Carroll
Fort Carroll is a 19th-century artificial island fortification in the Patapsco River near Baltimore, Maryland, built for coastal defense and now largely abandoned.
- F. None of above. chosen
Statements (43)
| Predicate | Object |
|---|---|
| instanceOf |
Civil War military sector
ⓘ
Confederate defensive position ⓘ |
| associatedWith |
Army of the James
NERFINISHED
ⓘ
Union X Corps NERFINISHED ⓘ Union XVIII Corps NERFINISHED ⓘ |
| capturedBy | Union forces on September 29, 1864 ⓘ |
| centeredOn | Fort Harrison NERFINISHED ⓘ |
| commandersInvolved |
Benjamin F. Butler
NERFINISHED
ⓘ
Charles W. Field NERFINISHED ⓘ George J. Stannard NERFINISHED ⓘ Robert E. Lee NERFINISHED ⓘ Ulysses S. Grant NERFINISHED ⓘ |
| conflict | American Civil War ⓘ |
| country | Confederate States of America NERFINISHED ⓘ |
| currentStatus | partly preserved in Richmond National Battlefield Park ⓘ |
| dateOfSignificantEvent | September 29, 1864 ⓘ |
| defendedBy | Army of Northern Virginia NERFINISHED ⓘ |
| fortificationType | earthen fortifications ⓘ |
| hasPart |
Fort Harrison
NERFINISHED
ⓘ
surrounding fortifications ⓘ |
| locatedIn | southeast of Richmond, Virginia ⓘ |
| locatedOn | north side of the James River ⓘ |
| militaryFunction |
artillery positions
ⓘ
field fortifications ⓘ |
| near |
Chaffin’s Bluff
NERFINISHED
ⓘ
Darbytown Road NERFINISHED ⓘ Fort Gilmer NERFINISHED ⓘ New Market Road NERFINISHED ⓘ |
| notableFor | breach of Richmond’s outer defensive line ⓘ |
| opposedBy | Union Army NERFINISHED ⓘ |
| partOf |
Defenses of Richmond
NERFINISHED
ⓘ
Richmond defenses NERFINISHED ⓘ Richmond–Petersburg Campaign NERFINISHED ⓘ |
| presentDayLocation | Henrico County, Virginia NERFINISHED ⓘ |
| purpose | defense of Richmond from Union attacks from the south and east ⓘ |
| sawAction |
Battle of Chaffin’s Farm
NERFINISHED
ⓘ
Battle of New Market Heights NERFINISHED ⓘ operations of the Richmond–Petersburg Campaign ⓘ |
| significance | weakened Confederate ability to defend Richmond’s eastern approaches ⓘ |
| strategicRole | key portion of Confederate defensive lines protecting Richmond ⓘ |
| terrain | rolling ground north of the James River ⓘ |
| timePeriod | 1864–1865 ⓘ |
| usedBy | Confederate Army NERFINISHED ⓘ |
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: Fort Harrison sector Description of subject: The Fort Harrison sector was a key portion of the Confederate defensive lines southeast of Richmond, Virginia, centered on Fort Harrison and the surrounding fortifications that saw significant action during the Civil War.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.