Second Battle of Naktong Bulge
E438535
The Second Battle of Naktong Bulge was a major Korean War engagement in September 1950, in which United Nations and South Korean forces repelled a large North Korean offensive attempting to break through the Pusan Perimeter.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Second Battle of Naktong Bulge canonical | 2 |
| Battle of the Nakdong Bulge | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4130905 — 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: Second Battle of Naktong Bulge Context triple: [Nakdong River line, hasPart, Second Battle of Naktong Bulge]
-
A.
Battle of the Ch'ongch'on River
The Battle of the Ch'ongch'on River was a major 1950 Korean War engagement in which Chinese forces launched a large-scale offensive that shattered United Nations lines and forced a retreat from North Korea.
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B.
First Battle of Naktong Bulge
The First Battle of Naktong Bulge was a major 1950 Korean War engagement in which United Nations and South Korean forces fought off a large North Korean offensive threatening the Pusan Perimeter.
-
C.
Second Battle of Seoul
The Second Battle of Seoul was a key Korean War engagement in September 1950 in which United Nations forces recaptured the South Korean capital from North Korean control following the Inchon landings.
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D.
Battle of Pusan Perimeter
The Battle of Pusan Perimeter was a crucial early Korean War engagement in 1950 in which United Nations and South Korean forces halted the North Korean advance in southeast Korea, preventing their defeat and enabling a later counteroffensive.
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E.
Battle of Shangganling (Triangle Hill)
The Battle of Shangganling (Triangle Hill) was a major and protracted Korean War engagement in 1952 between Chinese and United Nations forces, noted for its intense close-quarters combat and heavy casualties over a small but strategically important hill position.
- 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: Second Battle of Naktong Bulge Target entity description: The Second Battle of Naktong Bulge was a major Korean War engagement in September 1950, in which United Nations and South Korean forces repelled a large North Korean offensive attempting to break through the Pusan Perimeter.
-
A.
Battle of the Ch'ongch'on River
The Battle of the Ch'ongch'on River was a major 1950 Korean War engagement in which Chinese forces launched a large-scale offensive that shattered United Nations lines and forced a retreat from North Korea.
-
B.
First Battle of Naktong Bulge
The First Battle of Naktong Bulge was a major 1950 Korean War engagement in which United Nations and South Korean forces fought off a large North Korean offensive threatening the Pusan Perimeter.
-
C.
Second Battle of Seoul
The Second Battle of Seoul was a key Korean War engagement in September 1950 in which United Nations forces recaptured the South Korean capital from North Korean control following the Inchon landings.
-
D.
Battle of Pusan Perimeter
The Battle of Pusan Perimeter was a crucial early Korean War engagement in 1950 in which United Nations and South Korean forces halted the North Korean advance in southeast Korea, preventing their defeat and enabling a later counteroffensive.
-
E.
Battle of Shangganling (Triangle Hill)
The Battle of Shangganling (Triangle Hill) was a major and protracted Korean War engagement in 1952 between Chinese and United Nations forces, noted for its intense close-quarters combat and heavy casualties over a small but strategically important hill position.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
battle
ⓘ
military engagement ⓘ |
| alsoKnownAs | Second Naktong Bulge NERFINISHED ⓘ |
| belligerent |
North Korea
NERFINISHED
ⓘ
Republic of Korea NERFINISHED ⓘ United Nations Command NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
|
| casualties | heavy on both sides ⓘ |
| combatantsStrength | several divisions on each side ⓘ |
| commander |
John H. Church
NERFINISHED
ⓘ
Paik Sun-yup NERFINISHED ⓘ Pak Kyo Sam NERFINISHED ⓘ William B. Kean NERFINISHED ⓘ |
| conflict | Korean War ⓘ |
| conflictType | river crossing battle ⓘ |
| country | South Korea ⓘ |
| date | September 1950 ⓘ |
| endDate | 1950-09-15 ⓘ |
| front | Pusan Perimeter NERFINISHED ⓘ |
| historicalPeriod | Cold War ⓘ |
| location |
Naktong River
NERFINISHED
ⓘ
near Yongsan, South Korea ⓘ |
| notableFeature |
extensive use of US artillery and air support
ⓘ
intense close-quarters fighting ⓘ |
| objective | break through the Pusan Perimeter ⓘ |
| opponent |
Korean People’s Army
NERFINISHED
ⓘ
Republic of Korea Army NERFINISHED ⓘ United States Army NERFINISHED ⓘ |
| partOf |
Battle of Pusan Perimeter
NERFINISHED
ⓘ
North Korean September 1950 offensive NERFINISHED ⓘ |
| precededBy | First Battle of Naktong Bulge NERFINISHED ⓘ |
| relatedOperation |
Inchon Landing
NERFINISHED
ⓘ
UN counteroffensive from Pusan Perimeter ⓘ |
| result | United Nations victory ⓘ |
| significance | helped prevent collapse of UN position in Korea ⓘ |
| startDate | 1950-09-01 ⓘ |
| strategicImportance | defense of Pusan Perimeter NERFINISHED ⓘ |
| tacticalOutcome |
North Korean forces repelled
ⓘ
UN lines along Naktong River restored ⓘ |
| theater | Korean Peninsula NERFINISHED ⓘ |
| unitInvolved |
KPA 4th Division
NERFINISHED
ⓘ
KPA 9th Division NERFINISHED ⓘ ROK 1st Division NERFINISHED ⓘ US 23rd Infantry Regiment NERFINISHED ⓘ US 24th Infantry Regiment NERFINISHED ⓘ US 2nd Infantry Division NERFINISHED ⓘ US 9th Infantry Regiment NERFINISHED ⓘ |
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: Second Battle of Naktong Bulge Description of subject: The Second Battle of Naktong Bulge was a major Korean War engagement in September 1950, in which United Nations and South Korean forces repelled a large North Korean offensive attempting to break through the Pusan Perimeter.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Battle of the Nakdong Bulge