81st Infantry Division
E175424
The 81st Infantry Division was a U.S. Army formation in World War II, known for its combat operations in the Pacific Theater, including supporting the capture of Peleliu.
All labels observed (4)
| Label | Occurrences |
|---|---|
| 81st Infantry Division (United States) | 3 |
| 81st Division | 1 |
| 81st Infantry Division canonical | 1 |
| United States Army 81st Infantry Division | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1426080 — 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: 81st Infantry Division Context triple: [Battle of Peleliu, notableUnit, 81st Infantry Division]
-
A.
82nd Infantry Division
The 82nd Infantry Division is a famed U.S. Army formation best known for its World War II service as the 82nd Airborne Division, a pioneering and highly decorated airborne unit.
-
B.
31st Infantry Division
The 31st Infantry Division was a German Army infantry formation of World War II that took part in early campaigns such as the invasion of Poland.
-
C.
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.
-
D.
32nd Infantry Division
The 32nd Infantry Division was a U.S. Army National Guard division that gained distinction for its hard-fought campaigns in the Pacific Theater during World War II.
-
E.
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.
- 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: 81st Infantry Division Target entity description: The 81st Infantry Division was a U.S. Army formation in World War II, known for its combat operations in the Pacific Theater, including supporting the capture of Peleliu.
-
A.
82nd Infantry Division
The 82nd Infantry Division is a famed U.S. Army formation best known for its World War II service as the 82nd Airborne Division, a pioneering and highly decorated airborne unit.
-
B.
31st Infantry Division
The 31st Infantry Division was a German Army infantry formation of World War II that took part in early campaigns such as the invasion of Poland.
-
C.
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.
-
D.
32nd Infantry Division
The 32nd Infantry Division was a U.S. Army National Guard division that gained distinction for its hard-fought campaigns in the Pacific Theater during World War II.
-
E.
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.
- F. None of above. chosen
Statements (31)
| Predicate | Object |
|---|---|
| instanceOf |
United States Army division
ⓘ
infantry division ⓘ |
| activityPeriod | World War II era ⓘ |
| allegiance |
United States of America
ⓘ
surface form:
United States
|
| alsoKnownAs |
81st Infantry Division
ⓘ
surface form:
81st Division
81st Infantry Division ⓘ
surface form:
81st Infantry Division (United States)
Wildcat Division ⓘ |
| branch | United States Army ⓘ |
| conflict | World War II ⓘ |
| country | United States of America ⓘ |
| engagedAgainst | Imperial Japanese Army ⓘ |
| formation | United States Army ⓘ |
| garrisonDuringWWII | Pacific area of operations ⓘ |
| militaryBranchType | ground forces ⓘ |
| nickname | Wildcat Division ⓘ |
| notableFor |
combat operations in the Pacific Theater during World War II
ⓘ
supporting the capture of Peleliu ⓘ |
| notableTheater |
Palau
ⓘ
surface form:
Palau Islands
western Pacific Ocean ⓘ
surface form:
Western Pacific
|
| operatedUnder |
United States Army Forces in the Pacific Ocean Areas
ⓘ
surface form:
United States Army Forces in the Pacific
|
| participatedIn |
Battle of Peleliu
ⓘ
Palau Islands campaign ⓘ occupation duties in the Pacific after World War II ⓘ operations on Angaur ⓘ |
| primaryMission |
amphibious assault support in the Pacific
ⓘ
ground combat operations in island campaigns ⓘ |
| role | infantry ⓘ |
| supportedOperation | capture of Peleliu ⓘ |
| symbol | wildcat shoulder sleeve insignia ⓘ |
| theater |
Pacific Theater of Operations
ⓘ
surface form:
Pacific Theater
|
| type | infantry formation ⓘ |
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: 81st Infantry Division Description of subject: The 81st Infantry Division was a U.S. Army formation in World War II, known for its combat operations in the Pacific Theater, including supporting the capture of Peleliu.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
81st Infantry Division (United States)
this entity surface form:
United States Army 81st Infantry Division
this entity surface form:
81st Infantry Division (United States)
this entity surface form:
81st Division
this entity surface form:
81st Infantry Division (United States)