Union Ninth Corps front
E283060
The Union Ninth Corps front was the sector of the Union Army’s line at the Battle of Antietam commanded by Major General Ambrose Burnside, focused on assaulting the Confederate position near what became known as Burnside Bridge.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Union Army line at the Battle of Antietam | 1 |
| Union Ninth Corps front canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2618189 — 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: Union Ninth Corps front Context triple: [Burnside Bridge, battleFront, Union Ninth Corps front]
-
A.
French IV Corps
The French IV Corps was a major corps-sized formation of Napoleon's army that played a significant role in the Waterloo campaign of 1815.
-
B.
Lafayette’s division
Lafayette’s division was a Continental Army unit commanded by the Marquis de Lafayette that played a key role in the American victory at the Siege of Yorktown during the Revolutionary War.
-
C.
Army of the Cumberland
The Army of the Cumberland was a major Union field army in the Western Theater of the American Civil War, noted for its key role in campaigns such as Chickamauga, Chattanooga, and the drive toward Atlanta.
-
D.
XIII Corps
XIII Corps was a military formation designation used by several armies, most notably as a corps-level unit in the British and United States armies during major 20th-century conflicts.
-
E.
French III Corps
The French III Corps was a major field formation of Napoleon’s army that played a significant role in the Waterloo campaign of 1815.
- 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: Union Ninth Corps front Target entity description: The Union Ninth Corps front was the sector of the Union Army’s line at the Battle of Antietam commanded by Major General Ambrose Burnside, focused on assaulting the Confederate position near what became known as Burnside Bridge.
-
A.
French IV Corps
The French IV Corps was a major corps-sized formation of Napoleon's army that played a significant role in the Waterloo campaign of 1815.
-
B.
Lafayette’s division
Lafayette’s division was a Continental Army unit commanded by the Marquis de Lafayette that played a key role in the American victory at the Siege of Yorktown during the Revolutionary War.
-
C.
Army of the Cumberland
The Army of the Cumberland was a major Union field army in the Western Theater of the American Civil War, noted for its key role in campaigns such as Chickamauga, Chattanooga, and the drive toward Atlanta.
-
D.
XIII Corps
XIII Corps was a military formation designation used by several armies, most notably as a corps-level unit in the British and United States armies during major 20th-century conflicts.
-
E.
French III Corps
The French III Corps was a major field formation of Napoleon’s army that played a significant role in the Waterloo campaign of 1815.
- F. None of above. chosen
Statements (29)
| Predicate | Object |
|---|---|
| instanceOf |
Union Army formation sector
ⓘ
military front ⓘ |
| alsoKnownAs |
Burnside front at Antietam
ⓘ
linked to:
Battle of Sharpsburg
|
| army | Army of the Potomac ⓘ |
| armyCommander |
George B. McClellan
ⓘ
linked to:
George McClellan
|
| associatedBattlefieldFeature | Burnside Bridge ⓘ |
| associatedWith | Ambrose Burnside ⓘ |
| belligerent |
United States (Union)
ⓘ
linked to:
United States of America
|
| commandedBy | Ambrose Burnside ⓘ |
| conflict | Battle of Antietam ⓘ |
| corps | IX Corps (Union Army) ⓘ |
| date | September 17, 1862 ⓘ |
| engagedAgainst | Confederate right flank at Antietam ⓘ |
| facedFireFrom | Confederate positions on bluffs above Burnside Bridge ⓘ |
| focusOfAction | Burnside Bridge ⓘ |
| historicalSignificance | site of one of the key Union assaults at Antietam ⓘ |
| keyTerrain |
Burnside Bridge
ⓘ
linked to:
Burnside’s Bridge
heights south of Antietam Creek ⓘ |
| location | near Antietam Creek, Maryland ⓘ |
| notableAction | repeated assaults on Burnside Bridge ⓘ |
| objective | assault Confederate position near Burnside Bridge ⓘ |
| opposedBy | Confederate States Army ⓘ |
| opposedByUnit | Confederate defenders under Robert Toombs ⓘ |
| partOf |
Union Army line at the Battle of Antietam
ⓘ
linked to:
Union Ninth Corps front
|
| result | eventual Union crossing of Burnside Bridge ⓘ |
| riverCrossing | Antietam Creek ⓘ |
| timeOfMainAssault |
early afternoon September 17, 1862
ⓘ
late morning September 17, 1862 ⓘ |
| war | American Civil War ⓘ |
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: Union Ninth Corps front Description of subject: The Union Ninth Corps front was the sector of the Union Army’s line at the Battle of Antietam commanded by Major General Ambrose Burnside, focused on assaulting the Confederate position near what became known as Burnside Bridge.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Union Ninth Corps front