Confederate coastal defenses
E464138
Confederate coastal defenses were a network of fortifications, artillery batteries, and supporting installations built by the Confederate States during the American Civil War to protect key ports, harbors, and shorelines from Union naval attacks.
All labels observed (6)
How this entity was disambiguated
This entity first appeared as the object of triple T4717974 — 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: Confederate coastal defenses Context triple: [Battle of Port Royal, opponent, Confederate coastal defenses]
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A.
Confederate defenses of Mobile
The Confederate defenses of Mobile were a network of coastal forts, batteries, and obstructions protecting the strategic port city of Mobile, Alabama, during the American Civil War.
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B.
United States seacoast defense systems
United States seacoast defense systems were a series of evolving coastal fortifications and armaments designed to protect the nation’s harbors and shorelines from naval attack.
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C.
Third System of US seacoast defense
The Third System of US seacoast defense was a 19th-century American coastal fortification program that constructed large, permanent masonry forts to protect key harbors and strategic points along the nation’s shoreline.
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D.
Fort Macon
Fort Macon is a 19th-century coastal defense fortification in North Carolina, built as part of the United States’ Third System of seacoast defenses and now preserved as a state park and historic site.
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E.
West Point defenses
The West Point defenses were a key fortified American stronghold on the Hudson River during the Revolutionary War, crucial for controlling the waterway and preventing British forces from dividing the colonies.
- 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: Confederate coastal defenses Target entity description: Confederate coastal defenses were a network of fortifications, artillery batteries, and supporting installations built by the Confederate States during the American Civil War to protect key ports, harbors, and shorelines from Union naval attacks.
-
A.
Confederate defenses of Mobile
The Confederate defenses of Mobile were a network of coastal forts, batteries, and obstructions protecting the strategic port city of Mobile, Alabama, during the American Civil War.
-
B.
United States seacoast defense systems
United States seacoast defense systems were a series of evolving coastal fortifications and armaments designed to protect the nation’s harbors and shorelines from naval attack.
-
C.
Third System of US seacoast defense
The Third System of US seacoast defense was a 19th-century American coastal fortification program that constructed large, permanent masonry forts to protect key harbors and strategic points along the nation’s shoreline.
-
D.
Fort Macon
Fort Macon is a 19th-century coastal defense fortification in North Carolina, built as part of the United States’ Third System of seacoast defenses and now preserved as a state park and historic site.
-
E.
West Point defenses
The West Point defenses were a key fortified American stronghold on the Hudson River during the Revolutionary War, crucial for controlling the waterway and preventing British forces from dividing the colonies.
- F. None of above. chosen
Statements (133)
| Predicate | Object |
|---|---|
| instanceOf |
Confederate States of America military formation
ⓘ
fortification network ⓘ military defense system ⓘ |
| appliesToJurisdiction |
Cape Fear River
NERFINISHED
ⓘ
Charleston Harbor NERFINISHED ⓘ Chesapeake Bay approaches NERFINISHED ⓘ Confederate Atlantic coastline ⓘ Confederate Gulf Coast NERFINISHED ⓘ Confederate inland waterways ⓘ James River NERFINISHED ⓘ Mississippi River NERFINISHED ⓘ Mobile Bay NERFINISHED ⓘ New Orleans approaches ⓘ Savannah River NERFINISHED ⓘ |
| conflict | American Civil War ⓘ |
| country | Confederate States of America NERFINISHED ⓘ |
| designedTo |
control river approaches
ⓘ
defend industrial centers ⓘ defend railroad junctions ⓘ defend state capitals ⓘ prevent amphibious landings ⓘ protect harbors ⓘ protect key ports ⓘ protect shorelines ⓘ resist Union naval bombardment ⓘ support blockade running ⓘ |
| endTime | 1865 ⓘ |
| hasPart |
Battery Wagner
NERFINISHED
ⓘ
Charleston harbor defenses NERFINISHED ⓘ Coastal lookout posts ⓘ Coastal railroad connections ⓘ Coastal supply depots ⓘ Confederate coastal artillery batteries NERFINISHED ⓘ Confederate coastal fortifications ⓘ Confederate coastal garrisons NERFINISHED ⓘ Confederate coastal minefields NERFINISHED ⓘ Confederate coastal obstructions ⓘ Confederate coastal signal stations ⓘ Drewry’s Bluff defenses NERFINISHED ⓘ Fort Caswell NERFINISHED ⓘ Fort Fisher NERFINISHED ⓘ Fort Gaines NERFINISHED ⓘ Fort Huger (Virginia) NERFINISHED ⓘ Fort Jackson (Louisiana) NERFINISHED ⓘ Fort McAllister NERFINISHED ⓘ Fort Morgan NERFINISHED ⓘ Fort Moultrie NERFINISHED ⓘ Fort Pulaski NERFINISHED ⓘ Fort St. Philip NERFINISHED ⓘ Fort Sumter NERFINISHED ⓘ Galveston harbor defenses NERFINISHED ⓘ Ironclad support positions ⓘ Mobile Bay defenses NERFINISHED ⓘ New Orleans lower river defenses NERFINISHED ⓘ Pensacola harbor defenses NERFINISHED ⓘ Savannah harbor defenses NERFINISHED ⓘ Signal flag stations ⓘ Telegraph lines for coastal communication ⓘ Torpedo (mine) fields in Southern rivers ⓘ Wilmington harbor defenses NERFINISHED ⓘ blockade-running support facilities ⓘ bombproof shelters ⓘ boom chains across channels ⓘ casemated gun emplacements ⓘ coastal engineer depots ⓘ coastal hospitals ⓘ coastal ordnance workshops ⓘ coastal picket boats ⓘ coastal powder mills ⓘ coastal training camps ⓘ crib and pile obstructions ⓘ earthwork batteries ⓘ floating batteries ⓘ hot-shot furnaces ⓘ lighthouse observation posts ⓘ masonry forts ⓘ open barbette batteries ⓘ palisades and obstacles ⓘ powder magazines ⓘ range markers for artillery ⓘ revetments and parapets ⓘ rifled artillery positions ⓘ sand batteries ⓘ smoothbore artillery positions ⓘ stone-ship blockades ⓘ submarine torpedoes (naval mines) ⓘ supporting ironclad rams ⓘ torpedo boats ⓘ |
| location |
Alabama
NERFINISHED
ⓘ
Florida NERFINISHED ⓘ Georgia NERFINISHED ⓘ Louisiana NERFINISHED ⓘ Mississippi NERFINISHED ⓘ North Carolina NERFINISHED ⓘ South Carolina NERFINISHED ⓘ Texas NERFINISHED ⓘ Virginia NERFINISHED ⓘ |
| notableEvent |
Battle of Drewry’s Bluff in 1862
NERFINISHED
ⓘ
Battle of Fort Wagner in 1863 NERFINISHED ⓘ Battle of Forts Jackson and St. Philip in 1862 NERFINISHED ⓘ Battle of Galveston in 1863 NERFINISHED ⓘ Battle of Mobile Bay in 1864 NERFINISHED ⓘ Union attacks on Fort McAllister 1862–1863 NERFINISHED ⓘ Union bombardment of Fort Fisher 1864–1865 NERFINISHED ⓘ Union bombardment of Fort Sumter 1863–1865 NERFINISHED ⓘ Union capture of Fort Fisher in 1865 ⓘ Union capture of Fort Pulaski in 1862 ⓘ Union capture of Hatteras Inlet forts in 1861 ⓘ Union capture of New Orleans in 1862 ⓘ Union capture of Pensacola Navy Yard in 1862 ⓘ Union capture of Port Hudson in 1863 ⓘ Union capture of Port Royal Sound in 1861 ⓘ Union capture of Roanoke Island in 1862 ⓘ Union capture of Vicksburg in 1863 ⓘ Union capture of Wilmington in 1865 ⓘ Union occupation of Key West and Fort Jefferson NERFINISHED ⓘ Union occupation of Port Royal as major base ⓘ Union reduction of Fort Gaines and Fort Morgan ⓘ abandonment of exposed positions under Union pressure ⓘ adaptation of prewar U.S. forts for Confederate use ⓘ construction of extensive earthworks along coasts ⓘ coordination of ironclads with shore batteries ⓘ development of torpedo boats for harbor defense ⓘ early large-scale use of naval mines ⓘ siege of Charleston Harbor 1863–1865 NERFINISHED ⓘ use of rifled artillery against masonry forts ⓘ use of signal flags and telegraph for fire control ⓘ |
| opposedBy |
Union Army coastal expeditions
NERFINISHED
ⓘ
United States Navy NERFINISHED ⓘ |
| startTime | 1861 ⓘ |
| usedBy |
Confederate States Army
NERFINISHED
ⓘ
Confederate States Marine Corps NERFINISHED ⓘ Confederate States Navy 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: Confederate coastal defenses Description of subject: Confederate coastal defenses were a network of fortifications, artillery batteries, and supporting installations built by the Confederate States during the American Civil War to protect key ports, harbors, and shorelines from Union naval attacks.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Cape Fear River defenses
this entity surface form:
Drewry’s Bluff defenses
this entity surface form:
Chesapeake Bay defenses
this entity surface form:
Charleston Harbor defenses during the American Civil War
this entity surface form:
Army of Northern Virginia defensive positions