1st Battalion, 28th Marines
E465815
The 1st Battalion, 28th Marines is a United States Marine Corps infantry battalion that served as a key combat unit within the 28th Marine Regiment, notably active during World War II.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 1st Battalion, 28th Marines canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4744835 — 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: 1st Battalion, 28th Marines Context triple: [28th Marine Regiment, hasBattalion, 1st Battalion, 28th Marines]
-
A.
1st Battalion, 26th Marines
The 1st Battalion, 26th Marines was a U.S. Marine Corps infantry battalion that saw notable combat service during the Vietnam War.
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B.
1st Battalion, 8th Marines
The 1st Battalion, 8th Marines is an infantry battalion of the United States Marine Corps known for its combat deployments and service in major conflicts as part of the 8th Marine Regiment.
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C.
2nd Battalion, 1st Marines
The 2nd Battalion, 1st Marines is an infantry battalion of the United States Marine Corps known for its combat deployments and service in major conflicts as part of the 1st Marine Division.
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D.
1st Battalion 12th Marines
The 1st Battalion, 12th Marines is a United States Marine Corps artillery battalion that provides direct and general fire support to Marine infantry and other maneuver units.
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E.
1st Battalion, 7th Marines
The 1st Battalion, 7th Marines is a storied infantry battalion of the United States Marine Corps known for its extensive combat history from World War II through modern conflicts.
- 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: 1st Battalion, 28th Marines Target entity description: The 1st Battalion, 28th Marines is a United States Marine Corps infantry battalion that served as a key combat unit within the 28th Marine Regiment, notably active during World War II.
-
A.
1st Battalion, 26th Marines
The 1st Battalion, 26th Marines was a U.S. Marine Corps infantry battalion that saw notable combat service during the Vietnam War.
-
B.
1st Battalion, 8th Marines
The 1st Battalion, 8th Marines is an infantry battalion of the United States Marine Corps known for its combat deployments and service in major conflicts as part of the 8th Marine Regiment.
-
C.
2nd Battalion, 1st Marines
The 2nd Battalion, 1st Marines is an infantry battalion of the United States Marine Corps known for its combat deployments and service in major conflicts as part of the 1st Marine Division.
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D.
1st Battalion 12th Marines
The 1st Battalion, 12th Marines is a United States Marine Corps artillery battalion that provides direct and general fire support to Marine infantry and other maneuver units.
-
E.
1st Battalion, 7th Marines
The 1st Battalion, 7th Marines is a storied infantry battalion of the United States Marine Corps known for its extensive combat history from World War II through modern conflicts.
- F. None of above. chosen
Statements (27)
| Predicate | Object |
|---|---|
| instanceOf |
United States Marine Corps unit
ⓘ
infantry battalion ⓘ |
| allegiance | United States of America ⓘ |
| associatedWith | United States Marine Corps forces in the Pacific NERFINISHED ⓘ |
| branchType | ground combat element ⓘ |
| category |
Battalions of the United States Marine Corps
ⓘ
United States Marine Corps units and formations of World War II ⓘ |
| conflict |
Battle of Iwo Jima
NERFINISHED
ⓘ
World War II ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| division | 5th Marine Division NERFINISHED ⓘ |
| engagement | Iwo Jima NERFINISHED ⓘ |
| era | World War II era ⓘ |
| garrisonLabel | Headquarters ⓘ |
| militaryBranch | United States Marine Corps ⓘ |
| militaryFormationType | battalion ⓘ |
| nickname | 1/28 ⓘ |
| notableFor |
participation in the Battle of Iwo Jima
ⓘ
service in the Pacific Theater during World War II ⓘ |
| partOf |
28th Marine Regiment
NERFINISHED
ⓘ
5th Marine Division NERFINISHED ⓘ |
| regiment | 28th Marine Regiment NERFINISHED ⓘ |
| role | infantry ⓘ |
| service | United States Marine Corps infantry ⓘ |
| serviceBranch | USMC NERFINISHED ⓘ |
| theater | Pacific Theater of Operations NERFINISHED ⓘ |
| type | infantry ⓘ |
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: 1st Battalion, 28th Marines Description of subject: The 1st Battalion, 28th Marines is a United States Marine Corps infantry battalion that served as a key combat unit within the 28th Marine Regiment, notably active during World War II.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.