IX Corps, Army of the Potomac
E730290
IX Corps, Army of the Potomac was a major Union infantry corps 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, Army of the Potomac canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8336601 — 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, Army of the Potomac Context triple: [Battle of Boydton Plank Road, UnionForce, IX Corps, Army of the Potomac]
-
A.
III Corps, Army of the Potomac
III Corps, Army of the Potomac was a major Union infantry corps in the American Civil War, noted for its hard fighting and heavy losses in key battles such as Gettysburg.
-
B.
I Corps (Union Army of the Potomac)
I Corps was a major Union Army formation in the American Civil War, noted for its prominent role in key battles such as Gettysburg.
-
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.
II Corps (Union Army of the Potomac)
II Corps of the Union Army of the Potomac was a major Civil War field corps renowned for its pivotal combat role and heavy engagement in key battles such as Antietam, Fredericksburg, Chancellorsville, and Gettysburg.
-
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, Army of the Potomac Target entity description: IX Corps, Army of the Potomac was a major Union infantry corps 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.
III Corps, Army of the Potomac
III Corps, Army of the Potomac was a major Union infantry corps in the American Civil War, noted for its hard fighting and heavy losses in key battles such as Gettysburg.
-
B.
I Corps (Union Army of the Potomac)
I Corps was a major Union Army formation in the American Civil War, noted for its prominent role in key battles such as Gettysburg.
-
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.
II Corps (Union Army of the Potomac)
II Corps of the Union Army of the Potomac was a major Civil War field corps renowned for its pivotal combat role and heavy engagement in key battles such as Antietam, Fredericksburg, Chancellorsville, and Gettysburg.
-
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 (47)
| Predicate | Object |
|---|---|
| instanceOf |
Union Army corps
ⓘ
infantry corps ⓘ military corps ⓘ |
| allegiance | Union NERFINISHED ⓘ |
| alsoServedWith |
Army of the Ohio
NERFINISHED
ⓘ
Army of the Tennessee NERFINISHED ⓘ |
| branch | Union Army infantry ⓘ |
| composition | primarily volunteer infantry regiments ⓘ |
| conflict | American Civil War ⓘ |
| country | United States of America ⓘ |
| disbandedInYear | 1865 ⓘ |
| engagement |
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 ⓘ Overland Campaign NERFINISHED ⓘ Second Battle of Bull Run NERFINISHED ⓘ Siege of Petersburg NERFINISHED ⓘ Vicksburg Campaign NERFINISHED ⓘ |
| formedInYear | 1862 ⓘ |
| garrisonDuty | Knoxville, Tennessee NERFINISHED ⓘ |
| includedUnitsFrom |
Mid-Atlantic states
NERFINISHED
ⓘ
New England states NERFINISHED ⓘ Western states and territories ⓘ |
| notableAction |
assaults on Confederate lines at Petersburg
ⓘ
participation in the Battle of the Crater mine explosion ⓘ |
| notableCommander |
Ambrose E. Burnside
NERFINISHED
ⓘ
Jacob D. Cox NERFINISHED ⓘ John G. Parke NERFINISHED ⓘ Orlando B. Willcox NERFINISHED ⓘ |
| notableFor | service under General Ambrose E. Burnside in multiple departments ⓘ |
| notedFor | extensive combat service in the Eastern Theater ⓘ |
| participatedIn |
Overland Campaign
NERFINISHED
ⓘ
Petersburg operations ⓘ defense of Washington, D.C. ⓘ |
| partOf | Army of the Potomac NERFINISHED ⓘ |
| reorganized | multiple times between 1862 and 1865 ⓘ |
| role | offensive and defensive operations against Confederate forces in Virginia and Tennessee ⓘ |
| subordinateTo |
Army of the Potomac commander George G. Meade
NERFINISHED
ⓘ
Lieutenant General Ulysses S. Grant (overall Union command) NERFINISHED ⓘ |
| 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, Army of the Potomac Description of subject: IX Corps, Army of the Potomac was a major Union infantry corps 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 (1)
Full triples — surface form annotated when it differs from this entity's canonical label.