Massachusetts 9th Volunteer Infantry Regiment
E645213
The Massachusetts 9th Volunteer Infantry Regiment was a Union Army infantry unit from Massachusetts that served in the American Civil War, composed largely of Irish-American volunteers and noted for its participation in several major campaigns.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Massachusetts 9th Volunteer Infantry Regiment canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6913851 — 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: Massachusetts 9th Volunteer Infantry Regiment Context triple: [Massachusetts regiments, hasPart, Massachusetts 9th Volunteer Infantry Regiment]
-
A.
2nd Massachusetts Volunteer Infantry Regiment
The 2nd 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, Chancellorsville, and Gettysburg.
-
B.
Massachusetts 1st Heavy Artillery Regiment
The Massachusetts 1st Heavy Artillery Regiment was a Union Army unit in the American Civil War that manned heavy artillery positions, particularly in the defenses of Washington, D.C., and later saw action in major campaigns.
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C.
1st Massachusetts Volunteer Infantry Regiment
The 1st Massachusetts Volunteer Infantry Regiment was a Union Army infantry unit from Massachusetts that served early and prominently in the American Civil War.
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D.
2nd Massachusetts Militia Regiment
The 2nd Massachusetts Militia Regiment is the primary civilian resistance group of survivors fighting an alien invasion in the television series "Falling Skies."
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E.
Massachusetts 2nd Cavalry Regiment
The Massachusetts 2nd Cavalry Regiment was a Union mounted unit from Massachusetts that served in the American Civil War, noted for its scouting, raiding, and skirmishing duties.
- 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: Massachusetts 9th Volunteer Infantry Regiment Target entity description: The Massachusetts 9th Volunteer Infantry Regiment was a Union Army infantry unit from Massachusetts that served in the American Civil War, composed largely of Irish-American volunteers and noted for its participation in several major campaigns.
-
A.
2nd Massachusetts Volunteer Infantry Regiment
The 2nd 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, Chancellorsville, and Gettysburg.
-
B.
Massachusetts 1st Heavy Artillery Regiment
The Massachusetts 1st Heavy Artillery Regiment was a Union Army unit in the American Civil War that manned heavy artillery positions, particularly in the defenses of Washington, D.C., and later saw action in major campaigns.
-
C.
1st Massachusetts Volunteer Infantry Regiment
The 1st Massachusetts Volunteer Infantry Regiment was a Union Army infantry unit from Massachusetts that served early and prominently in the American Civil War.
-
D.
2nd Massachusetts Militia Regiment
The 2nd Massachusetts Militia Regiment is the primary civilian resistance group of survivors fighting an alien invasion in the television series "Falling Skies."
-
E.
Massachusetts 2nd Cavalry Regiment
The Massachusetts 2nd Cavalry Regiment was a Union mounted unit from Massachusetts that served in the American Civil War, noted for its scouting, raiding, and skirmishing duties.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
American Civil War military unit
ⓘ
Union Army regiment ⓘ infantry regiment ⓘ |
| allegiance | Union ⓘ |
| branch | Union Army ⓘ |
| category |
Irish-American military units
ⓘ
Massachusetts Civil War regiments ⓘ |
| composedMostlyOf | Irish-American volunteers ⓘ |
| conflict | American Civil War ⓘ |
| country | United States of America ⓘ |
| era | 19th century ⓘ |
| ethnicCharacter | Irish-American ⓘ |
| hasLanguageOfCommand | English ⓘ |
| locationFormed | Massachusetts ⓘ |
| militaryBranch | infantry ⓘ |
| militaryRole | line infantry ⓘ |
| notableCharacteristic | strong Irish ethnic identity ⓘ |
| notableFor | participation in several major campaigns of the American Civil War ⓘ |
| partOf |
Union volunteer forces
ⓘ
linked to:
United States Volunteers
|
| regionRecruitedFrom | Massachusetts ⓘ |
| service | land warfare ⓘ |
| serviceType | volunteer regiment ⓘ |
| sideInConflict | Union ⓘ |
| state | Massachusetts ⓘ |
| theaterOfOperations |
American Civil War Eastern Theater
ⓘ
linked to:
Eastern Theater of the 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: Massachusetts 9th Volunteer Infantry Regiment Description of subject: The Massachusetts 9th Volunteer Infantry Regiment was a Union Army infantry unit from Massachusetts that served in the American Civil War, composed largely of Irish-American volunteers and noted for its participation in several major campaigns.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.