20th Massachusetts Volunteer Infantry Regiment
E631775
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 20th Massachusetts Volunteer Infantry Regiment canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T6913842 — 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: 20th Massachusetts Volunteer Infantry Regiment Context triple: [Massachusetts regiments, hasPart, 20th 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 Maine Volunteer Infantry Regiment
The 20th Maine Volunteer Infantry Regiment was a Union Army unit in the American Civil War, famed for its pivotal bayonet charge and staunch defense of the Union left flank at the Battle of Gettysburg under Colonel Joshua L. Chamberlain.
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C.
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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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.
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.
- 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: 20th Massachusetts Volunteer Infantry Regiment Target entity description: 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.
-
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 Maine Volunteer Infantry Regiment
The 20th Maine Volunteer Infantry Regiment was a Union Army unit in the American Civil War, famed for its pivotal bayonet charge and staunch defense of the Union left flank at the Battle of Gettysburg under Colonel Joshua L. Chamberlain.
-
C.
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.
-
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.
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.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
American Civil War military unit
ⓘ
Union Army regiment ⓘ infantry regiment ⓘ |
| allegiance | Union NERFINISHED ⓘ |
| associatedInstitution | Harvard College NERFINISHED ⓘ |
| branch | Union Army NERFINISHED ⓘ |
| casualties | one of the highest of any Union regiment ⓘ |
| category | Massachusetts Civil War regiments ⓘ |
| commander |
Colonel Francis Winthrop Palfrey
NERFINISHED
ⓘ
Colonel Paul Joseph Revere NERFINISHED ⓘ Colonel William Raymond Lee NERFINISHED ⓘ |
| conflict | American Civil War ⓘ |
| country | United States of America ⓘ |
| engagement |
Appomattox Campaign
NERFINISHED
ⓘ
Battle of Antietam NERFINISHED ⓘ Battle of Chancellorsville NERFINISHED ⓘ Battle of Fredericksburg NERFINISHED ⓘ Battle of Gettysburg NERFINISHED ⓘ Battle of Seven Pines NERFINISHED ⓘ Battle of Spotsylvania Court House NERFINISHED ⓘ Battle of the Wilderness NERFINISHED ⓘ First Battle of Ball's Bluff NERFINISHED ⓘ Overland Campaign NERFINISHED ⓘ Peninsula Campaign NERFINISHED ⓘ Seven Days Battles NERFINISHED ⓘ Siege of Petersburg NERFINISHED ⓘ |
| garrisonOrHeadquarters | Massachusetts NERFINISHED ⓘ |
| languageOfCommand | English ⓘ |
| musteredIntoServiceOn | August 29, 1861 ⓘ |
| musteredOutOfServiceOn | July 16, 1865 ⓘ |
| nickname | Harvard Regiment NERFINISHED ⓘ |
| notableFor |
association with Harvard-educated officers
ⓘ
heavy combat service ⓘ high casualty rate ⓘ |
| notableMember |
Francis Winthrop Palfrey
NERFINISHED
ⓘ
Henry Livermore Abbott NERFINISHED ⓘ Oliver Wendell Holmes Jr. NERFINISHED ⓘ Paul Joseph Revere NERFINISHED ⓘ William Raymond Lee NERFINISHED ⓘ |
| organizedAt | Boston, Massachusetts NERFINISHED ⓘ |
| organizedIn | 1861 ⓘ |
| partOf | Army of the Potomac NERFINISHED ⓘ |
| servedFrom | 1861 ⓘ |
| servedUntil | 1865 ⓘ |
| size | regiment ⓘ |
| state | Massachusetts ⓘ |
| theaterOfOperations | 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: 20th Massachusetts Volunteer Infantry Regiment Description of subject: 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.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.