IX Corps (Union Army)
E708001
IX Corps (Union Army) was a major Union Army formation in the American Civil War, noted for its extensive combat service in the Eastern Theater under generals such as Ambrose Burnside and its participation in key campaigns including the Overland and Petersburg operations.
All labels observed (1)
| Label | Occurrences |
|---|---|
| IX Corps (Union Army) canonical | 4 |
How this entity was disambiguated
This entity first appeared as the object of triple T8003282 — 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: IX Corps (Union Army) Context triple: [Battle of Peebles' Farm, involvesMilitaryUnit, IX Corps (Union Army)]
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
U.S. XIX Corps
The U.S. XIX Corps was a World War II United States Army corps that played a key role in the Allied advance across Western Europe, including major operations in Germany.
- 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: IX Corps (Union Army) Target entity description: IX Corps (Union Army) was a major Union Army formation in the American Civil War, noted for its extensive combat service in the Eastern Theater under generals such as Ambrose Burnside and its participation in key campaigns including the Overland and Petersburg operations.
-
A.
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.
-
B.
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.
-
C.
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.
-
D.
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.
-
E.
U.S. XIX Corps
The U.S. XIX Corps was a World War II United States Army corps that played a key role in the Allied advance across Western Europe, including major operations in Germany.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf | Union Army corps ⓘ |
| allegiance | Union NERFINISHED ⓘ |
| alsoKnownAs | Ninth Army Corps NERFINISHED ⓘ |
| branch | Union Army NERFINISHED ⓘ |
| commandStructure | United States War Department NERFINISHED ⓘ |
| componentOf | Union forces defending Washington, D.C. ⓘ |
| conflict | American Civil War ⓘ |
| country | United States of America ⓘ |
| disbandedIn | 1865 ⓘ |
| engagedAgainst |
Army of Northern Virginia
NERFINISHED
ⓘ
Confederate States Army NERFINISHED ⓘ |
| formedIn | 1862 ⓘ |
| garrisonOrHeadquarters | various locations in the Eastern Theater ⓘ |
| higherCommand |
Army of the Ohio
NERFINISHED
ⓘ
Army of the Potomac NERFINISHED ⓘ Army of the Tennessee NERFINISHED ⓘ |
| notableAction |
assault at Burnside Bridge at Antietam
ⓘ
participation in the Battle of the Crater mine assault ⓘ |
| notableCommander |
Ambrose Burnside
NERFINISHED
ⓘ
John G. Parke NERFINISHED ⓘ Oliver O. Howard NERFINISHED ⓘ Orlando B. Willcox NERFINISHED ⓘ |
| notedFor |
extensive combat service in the Eastern Theater
ⓘ
service in both Eastern and Western theaters ⓘ |
| participatedIn |
Appomattox Campaign
NERFINISHED
ⓘ
Battle of Antietam NERFINISHED ⓘ Battle of Cold Harbor NERFINISHED ⓘ Battle of Fredericksburg NERFINISHED ⓘ Battle of North Anna NERFINISHED ⓘ Battle of South Mountain NERFINISHED ⓘ Battle of Spotsylvania Court House NERFINISHED ⓘ Battle of the Crater NERFINISHED ⓘ Battle of the Wilderness NERFINISHED ⓘ Knoxville Campaign NERFINISHED ⓘ Maryland Campaign NERFINISHED ⓘ Northern Virginia Campaign NERFINISHED ⓘ Overland Campaign NERFINISHED ⓘ Peninsula Campaign NERFINISHED ⓘ Siege of Petersburg NERFINISHED ⓘ Siege of Vicksburg NERFINISHED ⓘ defense of Knoxville ⓘ operations in North Carolina in 1862 ⓘ |
| role | infantry operations ⓘ |
| size | corps ⓘ |
| theater | Eastern Theater of the American Civil War 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: IX Corps (Union Army) Description of subject: IX Corps (Union Army) was a major Union Army formation in the American Civil War, noted for its extensive combat service in the Eastern Theater under generals such as Ambrose Burnside and its participation in key campaigns including the Overland and Petersburg operations.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Ambrose E. Burnside