2nd Division, XI Corps
E543761
The 2nd Division, XI Corps was a Union Army infantry division in the American Civil War, noted for its service in major Eastern Theater campaigns under the Army of the Potomac.
All labels observed (3)
| Label | Occurrences |
|---|---|
| 2nd Division, XI Corps canonical | 1 |
| 2nd Division, XI Corps (Union Army) | 1 |
| 2nd Division, XI Corps, Army of the Potomac | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5686290 — 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: 2nd Division, XI Corps Context triple: [XI Corps (Union Army of the Potomac), hadDivision, 2nd Division, XI Corps]
-
A.
1st Division, XI Corps
The 1st Division of the XI Corps was a Union Army infantry formation in the American Civil War that saw action in major Eastern Theater campaigns, including the battles of Chancellorsville and Gettysburg.
-
B.
2nd Division, XII Corps
The 2nd Division of the XII Corps was a Union Army infantry formation in the American Civil War, noted for its crucial defensive stand on Culp's Hill during the Battle of Gettysburg.
-
C.
1st Division, XII Corps
The 1st Division of the XII Corps was a Union Army infantry formation in the American Civil War, noted for its crucial defensive stand on Culp's Hill during the Battle of Gettysburg.
-
D.
3rd Division
The 3rd Division is a renowned U.S. Army infantry division noted for its extensive combat history in major conflicts from World War I through the present.
-
E.
1st Division
The 1st Division is a key formation of the Australian Army, historically notable for its role in major conflicts such as World War I and World War II.
- 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: 2nd Division, XI Corps Target entity description: The 2nd Division, XI Corps was a Union Army infantry division in the American Civil War, noted for its service in major Eastern Theater campaigns under the Army of the Potomac.
-
A.
1st Division, XI Corps
The 1st Division of the XI Corps was a Union Army infantry formation in the American Civil War that saw action in major Eastern Theater campaigns, including the battles of Chancellorsville and Gettysburg.
-
B.
2nd Division, XII Corps
The 2nd Division of the XII Corps was a Union Army infantry formation in the American Civil War, noted for its crucial defensive stand on Culp's Hill during the Battle of Gettysburg.
-
C.
1st Division, XII Corps
The 1st Division of the XII Corps was a Union Army infantry formation in the American Civil War, noted for its crucial defensive stand on Culp's Hill during the Battle of Gettysburg.
-
D.
3rd Division
The 3rd Division is a renowned U.S. Army infantry division noted for its extensive combat history in major conflicts from World War I through the present.
-
E.
1st Division
The 1st Division is a key formation of the Australian Army, historically notable for its role in major conflicts such as World War I and World War II.
- F. None of above. chosen
Statements (24)
| Predicate | Object |
|---|---|
| instanceOf |
Union Army infantry division
ⓘ
military unit ⓘ |
| allegiance |
Union
ⓘ
United States of America ⓘ |
| army | Army of the Potomac ⓘ |
| associatedWith | Army of the Potomac operations ⓘ |
| belligerent | Union ⓘ |
| branch | Union Army ⓘ |
| conflict | American Civil War ⓘ |
| corpsAssignment |
XI Corps, Army of the Potomac
ⓘ
linked to:
XI Corps (Union Army of the Potomac)
|
| country |
United States
ⓘ
linked to:
United States of America
|
| engagedIn | campaigns of the Army of the Potomac ⓘ |
| era | 19th century ⓘ |
| historicalPeriod |
American Civil War era
ⓘ
linked to:
American Civil War
|
| locationOfActivities | eastern United States ⓘ |
| militaryFormationLevel | division ⓘ |
| notableFor | service in major Eastern Theater campaigns ⓘ |
| participatedIn | Union campaigns in the Eastern Theater ⓘ |
| partOf | XI Corps ⓘ |
| role | infantry ⓘ |
| serviceBranch |
United States Army (Union)
ⓘ
linked to:
Union Army
|
| side | Union side in the American Civil War ⓘ |
| theaterOfOperations | Eastern Theater of the American Civil War ⓘ |
| type | infantry division ⓘ |
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: 2nd Division, XI Corps Description of subject: The 2nd Division, XI Corps was a Union Army infantry division in the American Civil War, noted for its service in major Eastern Theater campaigns under the Army of the Potomac.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: 2nd Division, XI Corps
linked to: 2nd Division, XI Corps