1st Division, XI Corps
E541482
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 1st Division, XI Corps canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T5686289 — 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: 1st Division, XI Corps Context triple: [XI Corps (Union Army of the Potomac), hadDivision, 1st Division, XI Corps]
-
A.
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.
-
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.
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C.
1st Division, V Corps
The 1st Division, V Corps was a Union Army infantry division in the American Civil War, noted for including distinguished regiments such as the 20th Maine and for its prominent role in major Eastern Theater battles.
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D.
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.
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E.
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.
- 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: 1st Division, XI Corps Target entity description: 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.
-
A.
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.
-
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, V Corps
The 1st Division, V Corps was a Union Army infantry division in the American Civil War, noted for including distinguished regiments such as the 20th Maine and for its prominent role in major Eastern Theater battles.
-
D.
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.
-
E.
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.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
Union Army infantry division
ⓘ
military unit ⓘ |
| allegiance |
Union Army
NERFINISHED
ⓘ
United States of America ⓘ |
| branch | Union Army infantry NERFINISHED ⓘ |
| campaignArea |
Pennsylvania
NERFINISHED
ⓘ
Virginia NERFINISHED ⓘ |
| conflict | American Civil War ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| engagedAgainst | Confederate States Army NERFINISHED ⓘ |
| engagementType | field operations ⓘ |
| era | 1860s ⓘ |
| higherFormationRole | component division of XI Corps in the Army of the Potomac ⓘ |
| historicalPeriod | American Civil War (1861–1865) NERFINISHED ⓘ |
| militaryBranchType | volunteer infantry ⓘ |
| notableFor | service in major Eastern Theater campaigns of the American Civil War ⓘ |
| participatedIn |
Battle of Chancellorsville
NERFINISHED
ⓘ
Battle of Gettysburg NERFINISHED ⓘ Chancellorsville campaign NERFINISHED ⓘ Gettysburg campaign NERFINISHED ⓘ |
| partOf | XI Corps (Union Army) NERFINISHED ⓘ |
| roleAtBattleOfChancellorsville | frontline infantry division of XI Corps ⓘ |
| roleAtBattleOfGettysburg | frontline infantry division of XI Corps ⓘ |
| sideInConflict | Union ⓘ |
| 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: 1st Division, XI Corps Description of subject: 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.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Francis Channing Barlow