2ID
E301771
2ID is a U.S. Army infantry division known for its combat role in major conflicts such as World War I, World War II, and the Korean War, and for its longstanding presence on the Korean Peninsula.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 2ID canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T2821210 — 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: 2ID Context triple: [United States 2nd Infantry Division, abbreviation, 2ID]
-
A.
IDA
IDA is the International Development Association, the World Bank Group’s fund that provides concessional loans and grants to the world’s poorest countries.
-
B.
IDEP
IDEP is a regional training and research institute under the United Nations Economic Commission for Africa that focuses on economic development and planning in African countries.
-
C.
DI
DI is the abbreviation for Defence Intelligence, the United Kingdom’s military intelligence organization responsible for providing strategic and operational intelligence to the government and armed forces.
-
D.
RID
RID is the commonly used abbreviation for the Rock Island District, a commuter rail line serving the Chicago metropolitan area.
-
E.
IJ
The IJ is a body of water in Amsterdam that serves as a key waterway for transport and shipping, separating the city center from Amsterdam-Noord.
- 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: 2ID Target entity description: 2ID is a U.S. Army infantry division known for its combat role in major conflicts such as World War I, World War II, and the Korean War, and for its longstanding presence on the Korean Peninsula.
-
A.
IDA
IDA is the International Development Association, the World Bank Group’s fund that provides concessional loans and grants to the world’s poorest countries.
-
B.
IDEP
IDEP is a regional training and research institute under the United Nations Economic Commission for Africa that focuses on economic development and planning in African countries.
-
C.
DI
DI is the abbreviation for Defence Intelligence, the United Kingdom’s military intelligence organization responsible for providing strategic and operational intelligence to the government and armed forces.
-
D.
RID
RID is the commonly used abbreviation for the Rock Island District, a commuter rail line serving the Chicago metropolitan area.
-
E.
IJ
The IJ is a body of water in Amsterdam that serves as a key waterway for transport and shipping, separating the city center from Amsterdam-Noord.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
U.S. Army division
ⓘ
infantry division ⓘ |
| activeStatus | active duty unit ⓘ |
| allegiance |
United States of America
ⓘ
surface form:
United States
|
| allianceRole | Combined defense of the Republic of Korea ⓘ |
| conflict |
Iraq War
ⓘ
Korean War ⓘ War in Afghanistan (2001–2021) ⓘ
surface form:
War in Afghanistan
World War I ⓘ World War II ⓘ |
| country | United States of America ⓘ |
| decorations |
Croix de Guerre
ⓘ
surface form:
French Croix de Guerre 1914–1918
Presidential Unit Citation (United States) ⓘ Republic of Korea Presidential Unit Citation ⓘ |
| engagement |
Battle of Belleau Wood
ⓘ
Battle of Chipyong-ni ⓘ Battle of Soissons (1918) ⓘ Battle of the Bulge ⓘ Korean Demilitarized Zone patrols ⓘ Meuse–Argonne Offensive ⓘ
surface form:
Meuse-Argonne Offensive
Battle of Normandy ⓘ
surface form:
Normandy campaign
Busan Perimeter ⓘ
surface form:
Pusan Perimeter
|
| formationDate | 1917 ⓘ |
| garrison |
Camp Humphreys
ⓘ
South Korea ⓘ |
| hasComponent |
armored brigade combat team
ⓘ
combat aviation brigade ⓘ infantry brigade combat team ⓘ |
| hasInsignia | Indianhead shoulder sleeve insignia ⓘ |
| hasMotto | Second to None ⓘ |
| militaryBranch | United States Army ⓘ |
| nickname |
2ID
self-linksurface differs
ⓘ
Indianhead Division ⓘ Warrior Division ⓘ |
| notableFor |
combined U.S.-Republic of Korea command structure
ⓘ
longstanding presence on the Korean Peninsula ⓘ |
| notableTheater |
European Theater of Operations, United States Army
ⓘ
surface form:
European Theater of Operations (World War II)
Korean Peninsula ⓘ Pacific Theater of Operations ⓘ
surface form:
Pacific Theater (World War II)
Western Front ⓘ
surface form:
Western Front (World War I)
|
| partOf |
United States Eighth Army
ⓘ
surface form:
Eighth United States Army
United States Forces Korea ⓘ |
| role |
combined arms
ⓘ
infantry ⓘ |
| size | division ⓘ |
| structure |
ROK-U.S. Combined Division
ⓘ
surface form:
2nd Infantry Division/ROK-U.S. Combined Division
|
| 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: 2ID Description of subject: 2ID is a U.S. Army infantry division known for its combat role in major conflicts such as World War I, World War II, and the Korean War, and for its longstanding presence on the Korean Peninsula.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.