Crater
E715951
Crater is the commonly used name for the Civil War engagement known as the Battle of the Crater, a disastrous Union assault during the Siege of Petersburg in 1864.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Crater canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8169444 — 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: Crater Context triple: [Battle of the Crater, alsoKnownAs, Crater]
-
A.
Crater
Crater is a historic district and port area in the city of Aden, Yemen, known for its location within an ancient volcanic crater and its role as a commercial and administrative center.
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B.
El Elegante crater
El Elegante crater is a large, nearly circular maar volcanic crater in the Pinacate volcanic field of northwestern Mexico, noted for its dramatic rim and desert landscape.
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C.
Diamond Craters
Diamond Craters is a volcanic field in eastern Oregon known for its diverse and well-preserved basaltic lava flows, craters, and other volcanic landforms.
-
D.
Los Gemelos craters
Los Gemelos craters are a pair of large volcanic sinkholes in the highlands of Santa Cruz Island in the Galápagos, known for their lush Scalesia forest and birdwatching opportunities.
-
E.
Eagle Crater
Eagle Crater is a small impact crater on Mars that gained prominence as the landing site and initial exploration area of NASA’s Opportunity rover.
- 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: Crater Target entity description: Crater is the commonly used name for the Civil War engagement known as the Battle of the Crater, a disastrous Union assault during the Siege of Petersburg in 1864.
-
A.
Crater
Crater is a historic district and port area in the city of Aden, Yemen, known for its location within an ancient volcanic crater and its role as a commercial and administrative center.
-
B.
El Elegante crater
El Elegante crater is a large, nearly circular maar volcanic crater in the Pinacate volcanic field of northwestern Mexico, noted for its dramatic rim and desert landscape.
-
C.
Diamond Craters
Diamond Craters is a volcanic field in eastern Oregon known for its diverse and well-preserved basaltic lava flows, craters, and other volcanic landforms.
-
D.
Los Gemelos craters
Los Gemelos craters are a pair of large volcanic sinkholes in the highlands of Santa Cruz Island in the Galápagos, known for their lush Scalesia forest and birdwatching opportunities.
-
E.
Eagle Crater
Eagle Crater is a small impact crater on Mars that gained prominence as the landing site and initial exploration area of NASA’s Opportunity rover.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
American Civil War battle
ⓘ
Union assault ⓘ battle ⓘ |
| aftermath |
prolonged Siege of Petersburg
ⓘ
renewed criticism of Union leadership ⓘ |
| alsoKnownAs |
Battle of the Crater
NERFINISHED
ⓘ
The Crater NERFINISHED ⓘ |
| associatedWith | Pennsylvania coal miners who dug the tunnel ⓘ |
| belligerent |
Confederate States (Confederacy)
NERFINISHED
ⓘ
United States (Union) NERFINISHED ⓘ |
| casualtiesConfederate | approximately 1,500 ⓘ |
| casualtiesUnion | approximately 3,800 ⓘ |
| commander |
Ambrose E. Burnside
NERFINISHED
ⓘ
George G. Meade NERFINISHED ⓘ Robert E. Lee NERFINISHED ⓘ Ulysses S. Grant NERFINISHED ⓘ William Mahone NERFINISHED ⓘ |
| commemoratedBy | Petersburg National Battlefield NERFINISHED ⓘ |
| conflict | American Civil War ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| date | July 30, 1864 ⓘ |
| description | disastrous Union assault during the Siege of Petersburg ⓘ |
| failureCause |
confusion and congestion in the crater
ⓘ
effective Confederate counterattack ⓘ poor Union planning and execution ⓘ |
| feature | large crater created by underground explosion ⓘ |
| followedBy | continued trench warfare at Petersburg ⓘ |
| front | Petersburg front ⓘ |
| hasPartOf | Siege of Petersburg NERFINISHED ⓘ |
| historicalPeriod | 1864 in the American Civil War ⓘ |
| location | Petersburg, Virginia NERFINISHED ⓘ |
| notableFor |
heavy casualties among United States Colored Troops
ⓘ
use of a massive underground mine in Civil War combat ⓘ |
| notableUnit |
Army of Northern Virginia
NERFINISHED
ⓘ
IX Corps (Union Army) NERFINISHED ⓘ United States Colored Troops NERFINISHED ⓘ |
| operationType | mine assault ⓘ |
| partOf | Eastern Theater of the American Civil War NERFINISHED ⓘ |
| partOfCampaign | Richmond–Petersburg Campaign NERFINISHED ⓘ |
| precededBy | initial Union tunneling operation ⓘ |
| relatedEvent |
Overland Campaign
NERFINISHED
ⓘ
Siege of Petersburg NERFINISHED ⓘ |
| result | Confederate victory ⓘ |
| significance | failed attempt to break Confederate lines at Petersburg ⓘ |
| strategicObjective | to breach Confederate defenses and capture Petersburg ⓘ |
| tactic | explosive mine under enemy lines ⓘ |
| theater | Virginia theater of operations NERFINISHED ⓘ |
| year | 1864 ⓘ |
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: Crater Description of subject: Crater is the commonly used name for the Civil War engagement known as the Battle of the Crater, a disastrous Union assault during the Siege of Petersburg in 1864.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.