XVIII Corps (Union Army)
E715950
XVIII Corps (Union Army) was a major Union Army corps in the American Civil War that served in both the Eastern and Western Theaters, participating in key operations such as the Overland and Petersburg campaigns.
All labels observed (1)
| Label | Occurrences |
|---|---|
| XVIII Corps (Union Army) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8169426 — 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: XVIII Corps (Union Army) Context triple: [Battle of the Crater, notableUnit, XVIII Corps (Union Army)]
-
A.
XVI Corps (Union Army)
The XVI Corps (Union Army) was a major Union Army corps in the American Civil War that served primarily in the Western Theater, participating in campaigns such as the Atlanta Campaign and operations along the Mississippi.
-
B.
XX Corps (Union Army)
XX Corps (Union Army) was a major Union Army corps formed in 1864 that served primarily in the Western Theater under generals like Joseph Hooker and Henry Slocum, notably participating in the Atlanta Campaign and Sherman's March to the Sea during the American Civil War.
-
C.
XI Corps (Union Army of the Potomac)
XI Corps was a Union Army corps in the Army of the Potomac composed largely of German-American troops, noted for its controversial performances at battles such as Chancellorsville and Gettysburg.
-
D.
XII Corps (Union Army of the Potomac)
XII Corps was a Union Army formation in the American Civil War, noted for its steadfast performance in major battles such as Gettysburg, where it played a crucial role on the Union right flank.
-
E.
V Corps (Union Army)
V Corps (Union Army) was a major infantry corps of the Union Army in the American Civil War, noted for its prominent role in key Eastern Theater campaigns including the Battle of Gettysburg.
- 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: XVIII Corps (Union Army) Target entity description: XVIII Corps (Union Army) was a major Union Army corps in the American Civil War that served in both the Eastern and Western Theaters, participating in key operations such as the Overland and Petersburg campaigns.
-
A.
XVI Corps (Union Army)
The XVI Corps (Union Army) was a major Union Army corps in the American Civil War that served primarily in the Western Theater, participating in campaigns such as the Atlanta Campaign and operations along the Mississippi.
-
B.
XX Corps (Union Army)
XX Corps (Union Army) was a major Union Army corps formed in 1864 that served primarily in the Western Theater under generals like Joseph Hooker and Henry Slocum, notably participating in the Atlanta Campaign and Sherman's March to the Sea during the American Civil War.
-
C.
XI Corps (Union Army of the Potomac)
XI Corps was a Union Army corps in the Army of the Potomac composed largely of German-American troops, noted for its controversial performances at battles such as Chancellorsville and Gettysburg.
-
D.
XII Corps (Union Army of the Potomac)
XII Corps was a Union Army formation in the American Civil War, noted for its steadfast performance in major battles such as Gettysburg, where it played a crucial role on the Union right flank.
-
E.
V Corps (Union Army)
V Corps (Union Army) was a major infantry corps of the Union Army in the American Civil War, noted for its prominent role in key Eastern Theater campaigns including the Battle of Gettysburg.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf | Union Army corps ⓘ |
| allegiance | Union NERFINISHED ⓘ |
| associatedWith |
George G. Meade
NERFINISHED
ⓘ
Ulysses S. Grant NERFINISHED ⓘ |
| branch | Union Army NERFINISHED ⓘ |
| conflict | American Civil War ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| engagedAgainst | Confederate States Army NERFINISHED ⓘ |
| engagementType |
offensive operations
ⓘ
siege operations ⓘ trench warfare ⓘ |
| formedPartOf |
Army of the James
NERFINISHED
ⓘ
Army of the Potomac NERFINISHED ⓘ |
| garrisonOrOperationalArea |
Department of Virginia and North Carolina
NERFINISHED
ⓘ
North Carolina NERFINISHED ⓘ Virginia NERFINISHED ⓘ |
| historicalEra | 19th century ⓘ |
| notableAction |
operations against Richmond, Virginia
ⓘ
operations along the James River ⓘ |
| notableCommander |
Benjamin F. Butler
NERFINISHED
ⓘ
Edward O. C. Ord NERFINISHED ⓘ Godfrey Weitzel NERFINISHED ⓘ John G. Foster NERFINISHED ⓘ William F. Smith NERFINISHED ⓘ |
| participatedIn |
Battle of Chaffin's Farm
NERFINISHED
ⓘ
Battle of Cold Harbor NERFINISHED ⓘ Battle of Drewry's Bluff (1864) NERFINISHED ⓘ Battle of Fair Oaks & Darbytown Road (1864) NERFINISHED ⓘ Battle of Fort Harrison NERFINISHED ⓘ Battle of New Market Heights NERFINISHED ⓘ Battle of Petersburg (June 9, 1864) NERFINISHED ⓘ Battle of Proctor's Creek NERFINISHED ⓘ Battle of Swift Creek NERFINISHED ⓘ Bermuda Hundred Campaign NERFINISHED ⓘ Overland Campaign NERFINISHED ⓘ Petersburg Campaign NERFINISHED ⓘ Second Battle of Petersburg NERFINISHED ⓘ Siege of Petersburg NERFINISHED ⓘ |
| role | field corps ⓘ |
| side | Union (Northern) forces NERFINISHED ⓘ |
| subordinateTo |
Union high command
ⓘ
United States War Department NERFINISHED ⓘ |
| theater |
Eastern Theater of the American Civil War
NERFINISHED
ⓘ
Western Theater of the American Civil War NERFINISHED ⓘ |
| typeOfFormation | infantry corps ⓘ |
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: XVIII Corps (Union Army) Description of subject: XVIII Corps (Union Army) was a major Union Army corps in the American Civil War that served in both the Eastern and Western Theaters, participating in key operations such as the Overland and Petersburg campaigns.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.