United States capture of Angaur
E936940
The United States capture of Angaur was a World War II amphibious assault in September 1944 in which American forces seized the island of Angaur from Japanese control as part of the broader campaign to secure the Palau Islands.
All labels observed (1)
| Label | Occurrences |
|---|---|
| United States capture of Angaur canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T11604419 — 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: United States capture of Angaur Context triple: [Palau Islands campaign, result, United States capture of Angaur]
-
A.
Capture of Guam
The Capture of Guam was a brief and nearly bloodless 1898 U.S. naval operation during the Spanish–American War that resulted in the American seizure of the Spanish-held island of Guam in the western Pacific.
-
B.
Invasion of Guam
The Invasion of Guam was a World War II American amphibious assault in July 1944 that recaptured the island of Guam from Japanese forces as part of the Mariana and Palau Islands campaign.
-
C.
Japanese occupation of Attu
The Japanese occupation of Attu was a World War II military seizure and control of Attu Island in Alaska’s Aleutian chain by Imperial Japanese forces, marking the only U.S. territory occupied by Japan and leading to a bloody battle when American forces retook the island.
-
D.
Japanese occupation of Wake Island
The Japanese occupation of Wake Island was the World War II period during which Imperial Japan seized and controlled the small Pacific atoll from late 1941 until its surrender to Allied forces in 1945.
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E.
Battle of Wake Island
The Battle of Wake Island was a World War II Pacific campaign in December 1941 in which U.S. Marines and civilian defenders mounted a fierce but ultimately unsuccessful defense against Japanese invasion 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: United States capture of Angaur Target entity description: The United States capture of Angaur was a World War II amphibious assault in September 1944 in which American forces seized the island of Angaur from Japanese control as part of the broader campaign to secure the Palau Islands.
-
A.
Capture of Guam
The Capture of Guam was a brief and nearly bloodless 1898 U.S. naval operation during the Spanish–American War that resulted in the American seizure of the Spanish-held island of Guam in the western Pacific.
-
B.
Invasion of Guam
The Invasion of Guam was a World War II American amphibious assault in July 1944 that recaptured the island of Guam from Japanese forces as part of the Mariana and Palau Islands campaign.
-
C.
Japanese occupation of Attu
The Japanese occupation of Attu was a World War II military seizure and control of Attu Island in Alaska’s Aleutian chain by Imperial Japanese forces, marking the only U.S. territory occupied by Japan and leading to a bloody battle when American forces retook the island.
-
D.
Japanese occupation of Wake Island
The Japanese occupation of Wake Island was the World War II period during which Imperial Japan seized and controlled the small Pacific atoll from late 1941 until its surrender to Allied forces in 1945.
-
E.
Battle of Wake Island
The Battle of Wake Island was a World War II Pacific campaign in December 1941 in which U.S. Marines and civilian defenders mounted a fierce but ultimately unsuccessful defense against Japanese invasion forces.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
World War II battle
ⓘ
military operation ⓘ |
| belligerent |
Japan
ⓘ
surface form:
Empire of Japan
United States of America NERFINISHED ⓘ |
| campaign | Palau campaign NERFINISHED ⓘ |
| concurrentWith | Battle of Peleliu NERFINISHED ⓘ |
| conflict | World War II ⓘ |
| controlledTerritoryAfter | Angaur under United States control ⓘ |
| countryInvolved |
Empire of Japan
NERFINISHED
ⓘ
United States of America NERFINISHED ⓘ |
| date | September 1944 ⓘ |
| followedBy | Allied operations in the Philippines campaign (1944–1945) NERFINISHED ⓘ |
| geopoliticalContext | Allied island-hopping strategy in the Pacific ⓘ |
| hasEndTime | October 1944 ⓘ |
| hasNature | amphibious assault ⓘ |
| hasStartTime | September 1944 ⓘ |
| historicalPeriod | 20th century ⓘ |
| involves |
amphibious landings
ⓘ
ground combat ⓘ naval bombardment ⓘ |
| location |
Angaur
NERFINISHED
ⓘ
Caroline Islands NERFINISHED ⓘ Palau NERFINISHED ⓘ |
| militaryBranch |
United States Army
ⓘ
United States Marine Corps ⓘ United States Navy ⓘ |
| objective | seizure of Angaur from Japanese control ⓘ |
| opponentMilitaryBranch |
Imperial Japanese Army
NERFINISHED
ⓘ
Imperial Japanese Navy NERFINISHED ⓘ |
| partOf |
Pacific War
ⓘ
Palau Islands campaign NERFINISHED ⓘ Western Pacific campaign of 1944 NERFINISHED ⓘ |
| precededBy |
Battle of Saipan
NERFINISHED
ⓘ
Battle of Tinian NERFINISHED ⓘ |
| previousController | Empire of Japan NERFINISHED ⓘ |
| result | American victory ⓘ |
| strategicObjective |
secure airfield sites in the Palau Islands
ⓘ
support Allied advances toward the Philippines ⓘ |
| theater | Pacific Theater of Operations NERFINISHED ⓘ |
| typeOfWarfare |
amphibious warfare
ⓘ
island campaign ⓘ |
| year | 1944 ⓘ |
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: United States capture of Angaur Description of subject: The United States capture of Angaur was a World War II amphibious assault in September 1944 in which American forces seized the island of Angaur from Japanese control as part of the broader campaign to secure the Palau Islands.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.