Third Battle of the Matanikau
E302001
The Third Battle of the Matanikau was a major World War II land engagement on Guadalcanal in late 1942, in which U.S. forces repelled Japanese attempts to recapture the strategically vital Henderson Field airstrip.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Third Battle of the Matanikau canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2586808 — 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: Third Battle of the Matanikau Context triple: [Battle for Henderson Field, alsoKnownAs, Third Battle of the Matanikau]
-
A.
Battle of Rennell Island
The Battle of Rennell Island was a late January 1943 naval air engagement in the Pacific Theater of World War II, in which Japanese aircraft attacked and sank or damaged U.S. warships as American forces covered the final stages of the Guadalcanal campaign.
-
B.
Battle of Bougainville
The Battle of Bougainville was a major World War II campaign in the Pacific Theater in which Allied forces secured a strategic foothold in the Solomon Islands to isolate the key Japanese base at Rabaul.
-
C.
Salamaua–Lae campaign
The Salamaua–Lae campaign was a major World War II Allied offensive in New Guinea aimed at capturing the key Japanese-held bases of Salamaua and Lae to secure control of the region.
-
D.
Battle of Tassafaronga
The Battle of Tassafaronga was a nighttime World War II naval engagement off Guadalcanal in November 1942, in which a smaller Japanese destroyer force inflicted heavy losses on a superior U.S. cruiser group through effective use of long-range torpedoes.
-
E.
Battle of Tulagi
The Battle of Tulagi was a World War II engagement in August 1942, part of the Guadalcanal campaign, in which U.S. forces seized the Japanese-held island of Tulagi in the Solomon Islands.
- 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: Third Battle of the Matanikau Target entity description: The Third Battle of the Matanikau was a major World War II land engagement on Guadalcanal in late 1942, in which U.S. forces repelled Japanese attempts to recapture the strategically vital Henderson Field airstrip.
-
A.
Battle of Rennell Island
The Battle of Rennell Island was a late January 1943 naval air engagement in the Pacific Theater of World War II, in which Japanese aircraft attacked and sank or damaged U.S. warships as American forces covered the final stages of the Guadalcanal campaign.
-
B.
Battle of Bougainville
The Battle of Bougainville was a major World War II campaign in the Pacific Theater in which Allied forces secured a strategic foothold in the Solomon Islands to isolate the key Japanese base at Rabaul.
-
C.
Salamaua–Lae campaign
The Salamaua–Lae campaign was a major World War II Allied offensive in New Guinea aimed at capturing the key Japanese-held bases of Salamaua and Lae to secure control of the region.
-
D.
Battle of Tassafaronga
The Battle of Tassafaronga was a nighttime World War II naval engagement off Guadalcanal in November 1942, in which a smaller Japanese destroyer force inflicted heavy losses on a superior U.S. cruiser group through effective use of long-range torpedoes.
-
E.
Battle of Tulagi
The Battle of Tulagi was a World War II engagement in August 1942, part of the Guadalcanal campaign, in which U.S. forces seized the Japanese-held island of Tulagi in the Solomon Islands.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
World War II battle
ⓘ
battle ⓘ |
| aimOfJapaneseForces | destroy U.S. positions near Matanikau River ⓘ |
| aimOfUSForces | disrupt Japanese build-up west of Henderson Field ⓘ |
| alsoKnownAs | Third Matanikau ⓘ |
| associatedWith |
Japanese 2nd Division elements
ⓘ
1st Marine Division (United States) ⓘ
surface form:
U.S. 1st Marine Division
|
| belligerent |
Imperial Japanese Army
ⓘ
United States Marine Corps ⓘ |
| campaignObjectiveContext | secure control of Guadalcanal ⓘ |
| conflict | Pacific War ⓘ |
| conflictType | ground combat ⓘ |
| countryInvolved |
Imperial Japan
ⓘ
surface form:
Empire of Japan
United States of America ⓘ
surface form:
United States
|
| date |
1942-10-23
ⓘ
1942-10-24 ⓘ |
| followedBy | Battle for Henderson Field ⓘ |
| front |
Guadalcanal
ⓘ
surface form:
Guadalcanal front
|
| historicalEra | World War II ⓘ |
| isIn |
Solomon Islands
ⓘ
South Pacific Ocean ⓘ |
| isPartOfSeriesOfBattlesAt | Matanikau River ⓘ |
| location |
Guadalcanal
ⓘ
Matanikau River ⓘ |
| militaryDomain | land warfare ⓘ |
| objective |
defend Henderson Field
ⓘ
prevent Japanese recapture of Henderson Field ⓘ |
| opponent |
Japanese Seventeenth Army
ⓘ
surface form:
Japanese 17th Army elements
1st Marine Division (United States) ⓘ
surface form:
U.S. 1st Marine Division elements
|
| partOf |
Solomon Islands campaign
ⓘ
surface form:
Guadalcanal Campaign
Solomon Islands campaign ⓘ |
| phaseOf | early phase of the Guadalcanal Campaign ⓘ |
| precededBy | Second Battle of the Matanikau ⓘ |
| primaryAxisOfCombat | west of Lunga perimeter ⓘ |
| relatedTo |
Solomon Islands campaign
ⓘ
surface form:
Guadalcanal Campaign
Henderson Field ⓘ |
| result |
American victory
ⓘ
Japanese attack repulsed ⓘ |
| strategicImportance | protection of Henderson Field air operations ⓘ |
| strategicOutcome | strengthened American hold on western approaches to Henderson Field ⓘ |
| tacticalOutcome | Japanese forces forced to withdraw ⓘ |
| theater | Pacific Theater of Operations ⓘ |
| timePeriod | October 23–24, 1942 ⓘ |
| typeOfEngagement | land battle ⓘ |
| year | 1942 ⓘ |
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: Third Battle of the Matanikau Description of subject: The Third Battle of the Matanikau was a major World War II land engagement on Guadalcanal in late 1942, in which U.S. forces repelled Japanese attempts to recapture the strategically vital Henderson Field airstrip.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.