Battle of Ilu River
E786713
The Battle of Ilu River was a World War II engagement on Guadalcanal in 1942, where U.S. Marines repelled a major Japanese assault in one of the first significant American ground victories in the Pacific Theater.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Battle of Ilu River canonical | 1 |
| Battle of the Ilu River | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8980477 — 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 Ilu River Context triple: [Battle of Alligator Creek, hasAlias, Battle of Ilu River]
-
A.
Battle of Ertsukhi
The Battle of Ertsukhi was a key medieval clash between the Kingdom of Georgia and the Seljuk Turks that contributed to Georgia’s eventual military resurgence in the Caucasus.
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B.
Battle of Ula
The Battle of Ula was a 1564 engagement in the Livonian War in which the Grand Duchy of Lithuania decisively defeated a larger Russian army, halting Muscovite advances in the region.
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C.
Battle of Ikh Bayan
The Battle of Ikh Bayan was a significant military engagement between Han China and the Xiongnu that marked a major turning point in Han efforts to assert control over the northern steppe frontier.
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D.
Battle of Sitabuldi
The Battle of Sitabuldi was a key 1817 engagement near Nagpur in central India, where British forces decisively defeated Maratha troops, helping to secure British dominance during the Third Anglo-Maratha War.
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E.
Battle of Baksar
The Battle of Baksar was a decisive 1764 conflict in eastern India in which the British East India Company defeated a coalition of Indian rulers, paving the way for British dominance in Bengal and much of northern India.
- 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 Ilu River Target entity description: The Battle of Ilu River was a World War II engagement on Guadalcanal in 1942, where U.S. Marines repelled a major Japanese assault in one of the first significant American ground victories in the Pacific Theater.
-
A.
Battle of Ertsukhi
The Battle of Ertsukhi was a key medieval clash between the Kingdom of Georgia and the Seljuk Turks that contributed to Georgia’s eventual military resurgence in the Caucasus.
-
B.
Battle of Ula
The Battle of Ula was a 1564 engagement in the Livonian War in which the Grand Duchy of Lithuania decisively defeated a larger Russian army, halting Muscovite advances in the region.
-
C.
Battle of Ikh Bayan
The Battle of Ikh Bayan was a significant military engagement between Han China and the Xiongnu that marked a major turning point in Han efforts to assert control over the northern steppe frontier.
-
D.
Battle of Sitabuldi
The Battle of Sitabuldi was a key 1817 engagement near Nagpur in central India, where British forces decisively defeated Maratha troops, helping to secure British dominance during the Third Anglo-Maratha War.
-
E.
Battle of Baksar
The Battle of Baksar was a decisive 1764 conflict in eastern India in which the British East India Company defeated a coalition of Indian rulers, paving the way for British dominance in Bengal and much of northern India.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf | battle ⓘ |
| airfieldInvolved | Henderson Field NERFINISHED ⓘ |
| alsoKnownAs |
Battle of Alligator Creek
NERFINISHED
ⓘ
Battle of the Tenaru NERFINISHED ⓘ |
| belligerent |
Imperial Japanese Army
NERFINISHED
ⓘ
United States Marine Corps NERFINISHED ⓘ |
| campaignYear | 1942 ⓘ |
| casualtiesJapan | over 700 killed ⓘ |
| casualtiesUS | dozens killed and wounded ⓘ |
| commanderJapan | Kiyonao Ichiki NERFINISHED ⓘ |
| commanderJapanFate | Kiyonao Ichiki killed in action ⓘ |
| commanderUS |
Alexander A. Vandegrift
NERFINISHED
ⓘ
Clifton B. Cates NERFINISHED ⓘ |
| conflict | Pacific War ⓘ |
| countryInvolved |
Empire of Japan
NERFINISHED
ⓘ
United States of America ⓘ
surface form:
United States
|
| date | 1942-08-21 ⓘ |
| endDate | 1942-08-21 ⓘ |
| followedBy | Battle of Edson's Ridge NERFINISHED ⓘ |
| forceTypeJapan | Ichiki Detachment NERFINISHED ⓘ |
| forceTypeUS | U.S. Marines NERFINISHED ⓘ |
| front | Guadalcanal front ⓘ |
| frontlineServiceBranchUS | 1st Marine Division NERFINISHED ⓘ |
| isPartOf | Solomon Islands campaign NERFINISHED ⓘ |
| location |
Guadalcanal
NERFINISHED
ⓘ
Solomon Islands NERFINISHED ⓘ |
| objectiveJapan | recapture Henderson Field NERFINISHED ⓘ |
| objectiveUS | defend Henderson Field ⓘ |
| outcome | destruction of most of the Ichiki Detachment ⓘ |
| partOf | Guadalcanal Campaign NERFINISHED ⓘ |
| precededBy | American landings on Guadalcanal ⓘ |
| result | American victory ⓘ |
| river | Ilu River NERFINISHED ⓘ |
| significance |
demonstrated effectiveness of Marine defensive tactics on Guadalcanal
ⓘ
one of the first significant American ground victories in the Pacific Theater ⓘ |
| startDate | 1942-08-21 ⓘ |
| strengthJapan | approximately 900 soldiers ⓘ |
| strengthUS | approximately 1,000–1,500 Marines ⓘ |
| tacticUsedJapan | frontal night assault ⓘ |
| tacticUsedUS |
coordinated infantry and artillery fire
ⓘ
defensive perimeter ⓘ |
| terrain | coastal river mouth ⓘ |
| theater | Pacific Theater of Operations NERFINISHED ⓘ |
| timeOfMainAssault | night of 20–21 August 1942 ⓘ |
| war | World War II 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: Battle of Ilu River Description of subject: The Battle of Ilu River was a World War II engagement on Guadalcanal in 1942, where U.S. Marines repelled a major Japanese assault in one of the first significant American ground victories in the Pacific Theater.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Battle of the Ilu River