Fort Powell
E828903
Fort Powell was a Confederate coastal fortification in Alabama that formed part of the defenses of Mobile Bay during the American Civil War.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Fort Powell canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T9924149 — 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 Powell Context triple: [Battle of Mobile Bay, defendedBy, Fort Powell]
-
A.
Ceran St. Vrain
Ceran St. Vrain was a 19th-century American fur trader and frontiersman who played a key role in the commerce and settlement of the southwestern Great Plains.
-
B.
Little Powell
Little Powell was the nickname of Confederate Lieutenant General A.P. Hill, a prominent corps commander in Robert E. Lee’s Army of Northern Virginia during the American Civil War.
-
C.
Horse Rock
Horse Rock is a notable rocky outcrop or summit located within the Black Mountains range.
-
D.
Blue Mesa
Blue Mesa is a striking badlands area in Arizona known for its colorful, banded rock formations and petrified wood within Petrified Forest National Park.
-
E.
Walapai
Walapai is an alternate name for the Hualapai, a Native American tribe traditionally inhabiting northwestern Arizona.
- 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 Powell Target entity description: Fort Powell was a Confederate coastal fortification in Alabama that formed part of the defenses of Mobile Bay during the American Civil War.
-
A.
Ceran St. Vrain
Ceran St. Vrain was a 19th-century American fur trader and frontiersman who played a key role in the commerce and settlement of the southwestern Great Plains.
-
B.
Little Powell
Little Powell was the nickname of Confederate Lieutenant General A.P. Hill, a prominent corps commander in Robert E. Lee’s Army of Northern Virginia during the American Civil War.
-
C.
Horse Rock
Horse Rock is a notable rocky outcrop or summit located within the Black Mountains range.
-
D.
Blue Mesa
Blue Mesa is a striking badlands area in Arizona known for its colorful, banded rock formations and petrified wood within Petrified Forest National Park.
-
E.
Walapai
Walapai is an alternate name for the Hualapai, a Native American tribe traditionally inhabiting northwestern Arizona.
- F. None of above. chosen
Statements (39)
| Predicate | Object |
|---|---|
| instanceOf |
Confederate coastal fortification
ⓘ
military fort ⓘ |
| abandonedBy |
Confederate forces
ⓘ
linked to:
Confederate States Armed Forces
|
| abandonmentYear | 1864 ⓘ |
| armedWith | heavy artillery ⓘ |
| associatedFortification |
Fort Gaines
ⓘ
Fort Morgan ⓘ |
| builtDuring | American Civil War ⓘ |
| conflict | American Civil War ⓘ |
| constructedBy | Confederate States Army ⓘ |
| constructionStartYear | 1862 ⓘ |
| controlledApproach | western entrance to Mobile Bay via Grant’s Pass ⓘ |
| countryDuringUse | Confederate States of America ⓘ |
| currentCondition | ruins or submerged remains ⓘ |
| engagement | operations related to the Battle of Mobile Bay ⓘ |
| fate | evacuated and destroyed by its Confederate garrison ⓘ |
| garrison | Confederate troops ⓘ |
| historicalEra | 19th century ⓘ |
| locatedIn |
Alabama
ⓘ
United States ⓘ
linked to:
United States of America
|
| locatedInBodyOfWater | Mississippi Sound ⓘ |
| locatedNear |
Grant’s Pass
ⓘ
Mobile Bay ⓘ |
| militaryBranch | Confederate artillery ⓘ |
| namedAfter | General John C. Pemberton’s subordinate Colonel Powell ⓘ |
| notableEvent | siege and bombardment in 1864 ⓘ |
| opposedBy |
Union Army
ⓘ
Union Navy ⓘ |
| partOf |
Confederate Gulf Coast defenses
ⓘ
linked to:
Confederate defenses of Mobile
defenses of Mobile Bay ⓘ |
| purpose |
to control the channel between Mississippi Sound and Mobile Bay
ⓘ
to protect the western approaches to Mobile Bay ⓘ |
| region |
Gulf Coast
ⓘ
linked to:
Gulf Coast of the United States
|
| significance | formed part of the outer line of Mobile’s harbor defenses ⓘ |
| status | no longer extant as a functioning fortification ⓘ |
| strategicRole | to prevent Union naval forces from bypassing main Mobile Bay forts via Mississippi Sound ⓘ |
| theater | Western Theater of the American Civil War ⓘ |
| typeOfFortification | earthwork fort ⓘ |
| usedBy | Confederate States of America ⓘ |
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 Powell Description of subject: Fort Powell was a Confederate coastal fortification in Alabama that formed part of the defenses of Mobile Bay during the American Civil War.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.