Battle of Lạng Sơn

E305171

battle military engagement

The Battle of Lạng Sơn was a key 1979 clash between Chinese and Vietnamese forces in northern Vietnam that played a decisive role in the course and outcome of the Sino-Vietnamese War.

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All labels observed (3)

Label	Occurrences
Battle of Lạng Sơn canonical	3
Battle of Lạng Sơn (1885)	1
Battle of Lạng Sơn (1979)	1

How this entity was disambiguated

This entity first appeared as the object of triple T2864633 — 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: Battle of Lạng Sơn
Context triple: [Sino-Vietnamese War, majorBattle, Battle of Lạng Sơn]

A. Battle of Ap Bac
The Battle of Ap Bac was a pivotal 1963 Vietnam War clash in the Mekong Delta where outnumbered Viet Cong forces successfully resisted South Vietnamese and U.S.-advised troops, exposing major weaknesses in American-backed military strategy.
B. Battle of An Lộc
The Battle of An Lộc was a major 1972 Vietnam War engagement in which South Vietnamese and U.S. forces successfully defended the town of An Lộc against a large-scale North Vietnamese assault.
C. Battle of Kontum
The Battle of Kontum was a major 1972 Vietnam War engagement in the Central Highlands where South Vietnamese and U.S. forces successfully halted a large North Vietnamese offensive.
D. Battle of Koh Tang
The Battle of Koh Tang was a 1975 U.S.–Cambodian military clash over the seizure of the American merchant ship SS Mayaguez, often regarded as one of the last official battles of the Vietnam War era.
E. Battle of Lashio
The Battle of Lashio was a World War II clash in Burma in 1942, where Japanese forces captured the key town of Lashio, severing the Burma Road supply line to China.
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: Battle of Lạng Sơn
Target entity description: The Battle of Lạng Sơn was a key 1979 clash between Chinese and Vietnamese forces in northern Vietnam that played a decisive role in the course and outcome of the Sino-Vietnamese War.

A. Battle of Ap Bac
The Battle of Ap Bac was a pivotal 1963 Vietnam War clash in the Mekong Delta where outnumbered Viet Cong forces successfully resisted South Vietnamese and U.S.-advised troops, exposing major weaknesses in American-backed military strategy.
B. Battle of An Lộc
The Battle of An Lộc was a major 1972 Vietnam War engagement in which South Vietnamese and U.S. forces successfully defended the town of An Lộc against a large-scale North Vietnamese assault.
C. Battle of Kontum
The Battle of Kontum was a major 1972 Vietnam War engagement in the Central Highlands where South Vietnamese and U.S. forces successfully halted a large North Vietnamese offensive.
D. Battle of Koh Tang
The Battle of Koh Tang was a 1975 U.S.–Cambodian military clash over the seizure of the American merchant ship SS Mayaguez, often regarded as one of the last official battles of the Vietnam War era.
E. Battle of Lashio
The Battle of Lashio was a World War II clash in Burma in 1942, where Japanese forces captured the key town of Lashio, severing the Burma Road supply line to China.
F. None of above. chosen

Statements (45)

Predicate	Object
instanceOf	battle ⓘ military engagement ⓘ
aftermath	Chinese declaration that punitive objectives were achieved ⓘ Chinese forces began withdrawal from Vietnam after the battle ⓘ
belligerent	People's Republic of China ⓘ linked to: China Socialist Republic of Vietnam ⓘ linked to: Viet Nam
combatant	Chinese ground forces ⓘ Vietnamese local forces ⓘ Vietnamese regular army units ⓘ
conflict	Sino-Vietnamese War ⓘ
conflictType	border war battle ⓘ
country	Vietnam ⓘ linked to: Viet Nam
date	1979 ⓘ
endDate	1979-03-05 ⓘ
era	Cold War ⓘ
hasCasualties	heavy casualties on both sides ⓘ
involved	cross-border Chinese offensive into Vietnam ⓘ
locatedInTime	late February and early March 1979 ⓘ
location	Lạng Sơn ⓘ Lạng Sơn Province ⓘ linked to: Lạng Sơn northern Vietnam ⓘ
objective	seizure of Lạng Sơn city ⓘ
opponent	People's Liberation Army ⓘ Vietnam People's Army ⓘ linked to: People's Army of Vietnam
partOf	Chinese 1979 punitive campaign against Vietnam ⓘ linked to: Sino-Vietnamese War Chinese offensive in northeastern Vietnam ⓘ Sino-Vietnamese War ⓘ
region	Indochina ⓘ linked to: Indochinese Peninsula
relatedTo	Chinese invasion of Vietnam (1979) ⓘ linked to: Sino-Vietnamese War Vietnam–China relations ⓘ linked to: China–Vietnam relations border conflicts in Southeast Asia ⓘ
result	Chinese capture of Lạng Sơn ⓘ Chinese forces withdrew after capturing Lạng Sơn ⓘ
significance	influenced the timing of Chinese withdrawal from Vietnam ⓘ major engagement on the northeastern front of the war ⓘ
startDate	1979-02-17 ⓘ
strategicImportance	decisive engagement in the Sino-Vietnamese War ⓘ key objective for Chinese advance toward Hanoi ⓘ
terrain	mountainous terrain ⓘ urban area ⓘ
typeOfWarfare	conventional ground warfare ⓘ
usedWeapon	artillery ⓘ small arms ⓘ tanks ⓘ
year	1979 ⓘ

How these facts were elicited

Referenced by (5)

Full triples — surface form annotated when it differs from this entity's canonical label.

Sino-Vietnamese War → majorBattle → Battle of Lạng Sơn ⓘ

Battle of Cao Bằng → relatedEvent → Battle of Lạng Sơn ⓘ

Battle of Lào Cai → relatedTo → Battle of Lạng Sơn ⓘ

Lạng Sơn → hasHistoricalEvent → Battle of Lạng Sơn (1885) ⓘ

linked to: Battle of Lạng Sơn

Lạng Sơn → hasHistoricalEvent → Battle of Lạng Sơn (1979) ⓘ