66th Regiment, People's Army of Vietnam
E155124
The 66th Regiment, People's Army of Vietnam was a North Vietnamese Army infantry unit noted for its major role in the 1965 Battle of Ia Drang during the Vietnam War.
All labels observed (1)
| Label | Occurrences |
|---|---|
| 66th Regiment, People's Army of Vietnam canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1351650 — 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: 66th Regiment, People's Army of Vietnam Context triple: [Battle of Ia Drang, militaryUnit, 66th Regiment, People's Army of Vietnam]
-
A.
Army of the Republic of Vietnam
The Army of the Republic of Vietnam was the ground military force of South Vietnam, allied with the United States and other anti-communist nations during the Vietnam War.
-
B.
Inchon Regiment
The Inchon Regiment is a nickname for the U.S. Marine Corps' 1st Marine Regiment, commemorating its pivotal role in the 1950 amphibious landing at Inchon during the Korean War.
-
C.
People's Army of Vietnam
The People's Army of Vietnam is the military force of the Socialist Republic of Vietnam, renowned for its pivotal role in the Vietnam War against the United States and South Vietnam.
-
D.
Chinese 71st Army
The Chinese 71st Army was a National Revolutionary Army formation of the Republic of China that saw significant combat during the Second Sino-Japanese War and the Chinese Civil War.
-
E.
Chinese People's Volunteer Army 9th Army Group
The Chinese People's Volunteer Army 9th Army Group was a major Chinese military formation that played a central role in the Korean War, most notably in the intense winter fighting against United Nations forces.
- 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: 66th Regiment, People's Army of Vietnam Target entity description: The 66th Regiment, People's Army of Vietnam was a North Vietnamese Army infantry unit noted for its major role in the 1965 Battle of Ia Drang during the Vietnam War.
-
A.
Army of the Republic of Vietnam
The Army of the Republic of Vietnam was the ground military force of South Vietnam, allied with the United States and other anti-communist nations during the Vietnam War.
-
B.
Inchon Regiment
The Inchon Regiment is a nickname for the U.S. Marine Corps' 1st Marine Regiment, commemorating its pivotal role in the 1950 amphibious landing at Inchon during the Korean War.
-
C.
People's Army of Vietnam
The People's Army of Vietnam is the military force of the Socialist Republic of Vietnam, renowned for its pivotal role in the Vietnam War against the United States and South Vietnam.
-
D.
Chinese 71st Army
The Chinese 71st Army was a National Revolutionary Army formation of the Republic of China that saw significant combat during the Second Sino-Japanese War and the Chinese Civil War.
-
E.
Chinese People's Volunteer Army 9th Army Group
The Chinese People's Volunteer Army 9th Army Group was a major Chinese military formation that played a central role in the Korean War, most notably in the intense winter fighting against United Nations forces.
- F. None of above. chosen
Statements (25)
| Predicate | Object |
|---|---|
| instanceOf |
People's Army of Vietnam unit
ⓘ
infantry regiment ⓘ military unit ⓘ |
| activeDuring | 1960s ⓘ |
| associatedWith | Plei Me campaign ⓘ |
| belligerentSide |
People's Army of Vietnam
ⓘ
surface form:
North Vietnamese forces
|
| combatRole | frontline infantry ⓘ |
| conflict | Vietnam War ⓘ |
| country |
Democratic Republic of Vietnam
ⓘ
surface form:
North Vietnam
|
| engagedAgainst | United States forces in Central Highlands of South Vietnam ⓘ |
| engagementDate_BattleOfIaDrang | November 1965 ⓘ |
| era | Cold War ⓘ |
| foughtAt |
LZ Albany
ⓘ
LZ X-Ray ⓘ |
| historicalSignificance | key North Vietnamese unit in early phase of large-unit warfare in Vietnam War ⓘ |
| militaryBranch | Ground forces ⓘ |
| notableEngagement | Battle of Ia Drang ⓘ |
| notedFor | participation in first major battle between U.S. Army and North Vietnamese regular forces ⓘ |
| opponentInBattleOfIaDrang |
Army of the Republic of Vietnam
ⓘ
United States Army ⓘ |
| opposedUnitAtIaDrang |
1st Cavalry Division (Airmobile)
ⓘ
surface form:
1st Cavalry Division (Airmobile), United States Army
|
| partOf | People's Army of Vietnam ⓘ |
| roleInBattleOfIaDrang | major combat role ⓘ |
| theater | Central Highlands, South Vietnam ⓘ |
| 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: 66th Regiment, People's Army of Vietnam Description of subject: The 66th Regiment, People's Army of Vietnam was a North Vietnamese Army infantry unit noted for its major role in the 1965 Battle of Ia Drang during the Vietnam War.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.