1st Division, I Corps (Union Army)
E1407261
UNEXPLORED
The 1st Division, I Corps (Union Army) was a key infantry division in the Army of the Potomac that saw major action in the Eastern Theater of the American Civil War, including the Battle of Gettysburg.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 1st Division, I Corps (Union Army) canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T20033377 — 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, I Corps (Union Army) Context triple: [Gettysburg Union units and formations, hasPart, 1st Division, I Corps (Union Army)]
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A.
1st Division (United States)
The 1st Division (United States), also known as the "Big Red One," is a historic and highly decorated U.S. Army infantry division that has played major roles in key conflicts from World War I through the present.
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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.
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C.
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.
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D.
1st Division, II Corps
The 1st Division of the Union Army’s II Corps was a key infantry formation in the Army of the Potomac during the American Civil War, noted for its heavy engagement in major Eastern Theater battles under commanders such as Francis Channing Barlow.
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E.
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.
- 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, I Corps (Union Army) Target entity description: The 1st Division, I Corps (Union Army) was a key infantry division in the Army of the Potomac that saw major action in the Eastern Theater of the American Civil War, including the Battle of Gettysburg.
-
A.
1st Division (United States)
The 1st Division (United States), also known as the "Big Red One," is a historic and highly decorated U.S. Army infantry division that has played major roles in key conflicts from World War I through the present.
-
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.
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.
-
D.
1st Division, II Corps
The 1st Division of the Union Army’s II Corps was a key infantry formation in the Army of the Potomac during the American Civil War, noted for its heavy engagement in major Eastern Theater battles under commanders such as Francis Channing Barlow.
-
E.
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.
- F. None of above. chosen
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.