20th Maine Volunteer Infantry Regiment
E116171
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.
All labels observed (2)
| Label | Occurrences |
|---|---|
| 20th Maine Volunteer Infantry Regiment canonical | 13 |
| 20th Maine Infantry Regiment | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T982528 — 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 Maine Volunteer Infantry Regiment Context triple: [Little Round Top, defendedBy, 20th Maine Volunteer Infantry Regiment]
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A.
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.
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B.
U.S. 45th Infantry Division
The U.S. 45th Infantry Division was a National Guard infantry division of the United States Army that saw extensive combat in World War II, including participation in major European campaigns and the liberation of Nazi concentration camps.
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C.
U.S. 42nd Infantry Division
The U.S. 42nd Infantry Division, nicknamed the "Rainbow Division," is a famed U.S. Army unit that saw distinguished combat service in both World Wars and is noted for its role in liberating Nazi concentration camps during World War II.
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D.
28th Infantry Division
The 28th Infantry Division is a historic U.S. Army National Guard formation, known as the "Keystone Division," that has served in major conflicts including both World Wars and beyond.
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E.
United States 2nd Infantry Division
The United States 2nd Infantry Division is a U.S. Army formation renowned for its combat service in major 20th-century conflicts, including World Wars I and II and the Korean War.
- 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 Maine Volunteer Infantry Regiment Target entity description: 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.
-
A.
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.
-
B.
U.S. 45th Infantry Division
The U.S. 45th Infantry Division was a National Guard infantry division of the United States Army that saw extensive combat in World War II, including participation in major European campaigns and the liberation of Nazi concentration camps.
-
C.
U.S. 42nd Infantry Division
The U.S. 42nd Infantry Division, nicknamed the "Rainbow Division," is a famed U.S. Army unit that saw distinguished combat service in both World Wars and is noted for its role in liberating Nazi concentration camps during World War II.
-
D.
28th Infantry Division
The 28th Infantry Division is a historic U.S. Army National Guard formation, known as the "Keystone Division," that has served in major conflicts including both World Wars and beyond.
-
E.
United States 2nd Infantry Division
The United States 2nd Infantry Division is a U.S. Army formation renowned for its combat service in major 20th-century conflicts, including World Wars I and II and the Korean War.
- F. None of above. chosen
Statements (50)
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 Maine Volunteer Infantry Regiment Description of subject: 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.
Referenced by (14)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject linked to:
Little Round Top (nearby)
linked to: 20th Maine Volunteer Infantry Regiment
Joshua Lawrence Chamberlain’s bayonet charge at Little Round Top
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unitInvolved
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20th Maine Volunteer Infantry Regiment
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