15th Massachusetts Volunteer Infantry Regiment
E633487
The 15th Massachusetts Volunteer Infantry Regiment was a Union Army infantry unit from Massachusetts that served with distinction in major battles of the American Civil War, including Antietam and Gettysburg.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 15th Massachusetts Volunteer Infantry Regiment canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6913843 — 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: 15th Massachusetts Volunteer Infantry Regiment Context triple: [Massachusetts regiments, hasPart, 15th Massachusetts Volunteer Infantry Regiment]
-
A.
55th Massachusetts Volunteer Infantry Regiment
The 55th Massachusetts Volunteer Infantry Regiment was a Union Army unit in the American Civil War, formed as one of the earliest African American regiments and noted for its service and sacrifice following the example of the famed 54th Massachusetts.
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B.
20th Massachusetts Volunteer Infantry Regiment
The 20th Massachusetts Volunteer Infantry Regiment was a distinguished Union Army unit in the American Civil War, noted for its heavy combat service and association with several prominent Harvard-educated officers.
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C.
1st Massachusetts Cavalry
The 1st Massachusetts Cavalry was a Union mounted regiment from Massachusetts that served prominently in the American Civil War, participating in numerous major campaigns and battles.
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D.
54th Massachusetts Volunteer Infantry Regiment
The 54th Massachusetts Volunteer Infantry Regiment was one of the first official African American units in the Union Army during the American Civil War, renowned for its bravery in the assault on Fort Wagner.
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E.
15th Infantry Regiment
The 15th Infantry Regiment was a German Army unit in which future Field Marshal Friedrich Paulus served during his early military career.
- 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: 15th Massachusetts Volunteer Infantry Regiment Target entity description: The 15th Massachusetts Volunteer Infantry Regiment was a Union Army infantry unit from Massachusetts that served with distinction in major battles of the American Civil War, including Antietam and Gettysburg.
-
A.
55th Massachusetts Volunteer Infantry Regiment
The 55th Massachusetts Volunteer Infantry Regiment was a Union Army unit in the American Civil War, formed as one of the earliest African American regiments and noted for its service and sacrifice following the example of the famed 54th Massachusetts.
-
B.
20th Massachusetts Volunteer Infantry Regiment
The 20th Massachusetts Volunteer Infantry Regiment was a distinguished Union Army unit in the American Civil War, noted for its heavy combat service and association with several prominent Harvard-educated officers.
-
C.
1st Massachusetts Cavalry
The 1st Massachusetts Cavalry was a Union mounted regiment from Massachusetts that served prominently in the American Civil War, participating in numerous major campaigns and battles.
-
D.
54th Massachusetts Volunteer Infantry Regiment
The 54th Massachusetts Volunteer Infantry Regiment was one of the first official African American units in the Union Army during the American Civil War, renowned for its bravery in the assault on Fort Wagner.
-
E.
15th Infantry Regiment
The 15th Infantry Regiment was a German Army unit in which future Field Marshal Friedrich Paulus served during his early military career.
- F. None of above. chosen
Statements (38)
| Predicate | Object |
|---|---|
| instanceOf |
American Civil War military unit
ⓘ
Union Army regiment ⓘ infantry regiment ⓘ |
| allegiance | Union NERFINISHED ⓘ |
| army | Army of the Potomac NERFINISHED ⓘ |
| associatedWith | Union victory in the American Civil War ⓘ |
| branch | Union Army NERFINISHED ⓘ |
| category |
Massachusetts Civil War regiments
ⓘ
Union Army infantry regiments ⓘ |
| conflict | American Civil War ⓘ |
| country | United States of America ⓘ |
| designation | 15th Massachusetts Volunteer Infantry NERFINISHED ⓘ |
| era | 19th century ⓘ |
| formedPartOf | Massachusetts Volunteer Militia NERFINISHED ⓘ |
| hasType | volunteer infantry regiment ⓘ |
| languageOfCommand | English ⓘ |
| militaryBranch | infantry ⓘ |
| namedAfter | Commonwealth of Massachusetts NERFINISHED ⓘ |
| notableEngagement |
heavy fighting at the Battle of Antietam
ⓘ
service in the II Corps, Army of the Potomac ⓘ |
| notedFor |
distinguished combat record
ⓘ
heavy casualties in major battles ⓘ |
| participatedIn |
Battle of Antietam
NERFINISHED
ⓘ
Battle of Ball's Bluff NERFINISHED ⓘ Battle of Chancellorsville NERFINISHED ⓘ Battle of Fredericksburg NERFINISHED ⓘ Battle of Gettysburg NERFINISHED ⓘ Battle of Spotsylvania Court House NERFINISHED ⓘ Battle of the Wilderness NERFINISHED ⓘ Overland Campaign NERFINISHED ⓘ Peninsula Campaign NERFINISHED ⓘ Siege of Petersburg NERFINISHED ⓘ |
| raisedIn | Massachusetts NERFINISHED ⓘ |
| role | line infantry ⓘ |
| service | volunteer regiment ⓘ |
| side | Union NERFINISHED ⓘ |
| state | Massachusetts ⓘ |
| 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: 15th Massachusetts Volunteer Infantry Regiment Description of subject: The 15th Massachusetts Volunteer Infantry Regiment was a Union Army infantry unit from Massachusetts that served with distinction in major battles of the American Civil War, including Antietam and Gettysburg.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.