Massachusetts 40th Volunteer Infantry Regiment

E649841

American Civil War military unit Union Army regiment infantry regiment

The Massachusetts 40th Volunteer Infantry Regiment was a Union Army infantry unit from Massachusetts that served in the American Civil War, participating in several major campaigns and battles.

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All labels observed (3)

Label	Occurrences
40th Massachusetts Infantry	1
40th Massachusetts Volunteer Infantry	1
Massachusetts 40th Volunteer Infantry Regiment canonical	1

How this entity was disambiguated

This entity first appeared as the object of triple T6913854 — 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 40th Volunteer Infantry Regiment
Context triple: [Massachusetts regiments, hasPart, Massachusetts 40th Volunteer Infantry Regiment]

A. Massachusetts 28th Volunteer Infantry Regiment
The Massachusetts 28th Volunteer Infantry Regiment was a Union Army unit composed largely of Irish-American soldiers that fought in major battles of the American Civil War.
B. Massachusetts 29th Volunteer Infantry Regiment
The Massachusetts 29th Volunteer Infantry Regiment was a Union Army infantry unit from Massachusetts that served in major campaigns of the American Civil War.
C. Massachusetts 9th Volunteer Infantry Regiment
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.
D. 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.
E. 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.
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 40th Volunteer Infantry Regiment
Target entity description: The Massachusetts 40th Volunteer Infantry Regiment was a Union Army infantry unit from Massachusetts that served in the American Civil War, participating in several major campaigns and battles.

A. Massachusetts 28th Volunteer Infantry Regiment
The Massachusetts 28th Volunteer Infantry Regiment was a Union Army unit composed largely of Irish-American soldiers that fought in major battles of the American Civil War.
B. Massachusetts 29th Volunteer Infantry Regiment
The Massachusetts 29th Volunteer Infantry Regiment was a Union Army infantry unit from Massachusetts that served in major campaigns of the American Civil War.
C. Massachusetts 9th Volunteer Infantry Regiment
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.
D. 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.
E. 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.
F. None of above. chosen

Statements (25)

Predicate	Object
instanceOf	American Civil War military unit ⓘ Union Army regiment ⓘ infantry regiment ⓘ
allegiance	Union ⓘ
associatedWith	Union Army campaigns in the American Civil War ⓘ linked to: Union Army campaigns
branch	Union Army ⓘ
conflict	American Civil War ⓘ
country	United States ⓘ linked to: United States of America
garrisonState	Massachusetts ⓘ
hasDesignation	40th Massachusetts Infantry ⓘ linked to: Massachusetts 40th Volunteer Infantry Regiment 40th Massachusetts Volunteer Infantry ⓘ linked to: Massachusetts 40th Volunteer Infantry Regiment
historicalEra	American Civil War era ⓘ linked to: American Civil War
historicalPeriod	19th century ⓘ
locationOfFormation	Massachusetts ⓘ
militaryBranch	infantry ⓘ
militaryFunction	ground combat operations ⓘ
militaryRole	line infantry ⓘ
notableFor	participation in several major battles of the American Civil War ⓘ service in multiple major campaigns of the American Civil War ⓘ
participatedIn	American Civil War ⓘ
partOf	Union forces in the Eastern Theater of the American Civil War ⓘ
raisedIn	Massachusetts ⓘ
serviceType	volunteer regiment ⓘ
sideInConflict	Union ⓘ
state	Massachusetts ⓘ

How these facts were elicited

Referenced by (3)

Full triples — surface form annotated when it differs from this entity's canonical label.

Massachusetts regiments → hasPart → Massachusetts 40th Volunteer Infantry Regiment ⓘ

Massachusetts 40th Volunteer Infantry Regiment → hasDesignation → 40th Massachusetts Volunteer Infantry ⓘ

linked to: Massachusetts 40th Volunteer Infantry Regiment

Massachusetts 40th Volunteer Infantry Regiment → hasDesignation → 40th Massachusetts Infantry ⓘ