Indian Ocean raid
E29082
The Indian Ocean raid was a major World War II naval operation in April 1942 in which Japan’s fleet struck British and Allied forces in the Indian Ocean, aiming to weaken their naval presence and disrupt supply lines.
All labels observed (8)
| Label | Occurrences |
|---|---|
| Indian Ocean raid canonical | 26 |
| Indian Ocean Raid | 14 |
| Indian Ocean raid (1942) | 3 |
| Indian Ocean raid response (1942) | 2 |
| Indian Ocean raid of 1942 | 1 |
| Indian Ocean raids | 1 |
| Indian Ocean raids (1942) | 1 |
| インド洋作戦 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T58575 — 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.
Target entity: Indian Ocean raid Context triple: [Imperial Japanese Navy, engagedIn, Indian Ocean raid]
-
A.
Operation Hailstone
Operation Hailstone was a major U.S. Navy air and surface attack in February 1944 that devastated the Japanese naval and air base at Truk Lagoon in the Pacific Theater.
-
B.
Operation Cartwheel
Operation Cartwheel was a major Allied World War II campaign in the Pacific aimed at isolating and neutralizing the Japanese stronghold of Rabaul through a series of coordinated air, land, and naval operations.
-
C.
Operation Ichi-Go
Operation Ichi-Go was a major 1944 Japanese military offensive in China during World War II aimed at securing railways, destroying U.S. air bases, and linking Japanese-held territories.
-
D.
Battle of the Java Sea
The Battle of the Java Sea was a major World War II naval engagement in early 1942 in which Japanese forces decisively defeated an Allied fleet, leading to the fall of the Dutch East Indies.
-
E.
Battle of the Eastern Solomons
The Battle of the Eastern Solomons was a major 1942 carrier battle in the Pacific Theater of World War II, fought between U.S. and Japanese naval forces as part of the struggle for control of Guadalcanal and the surrounding Solomon Islands.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: Indian Ocean raid Target entity description: The Indian Ocean raid was a major World War II naval operation in April 1942 in which Japan’s fleet struck British and Allied forces in the Indian Ocean, aiming to weaken their naval presence and disrupt supply lines.
-
A.
Operation Hailstone
Operation Hailstone was a major U.S. Navy air and surface attack in February 1944 that devastated the Japanese naval and air base at Truk Lagoon in the Pacific Theater.
-
B.
Operation Cartwheel
Operation Cartwheel was a major Allied World War II campaign in the Pacific aimed at isolating and neutralizing the Japanese stronghold of Rabaul through a series of coordinated air, land, and naval operations.
-
C.
Operation Ichi-Go
Operation Ichi-Go was a major 1944 Japanese military offensive in China during World War II aimed at securing railways, destroying U.S. air bases, and linking Japanese-held territories.
-
D.
Battle of the Java Sea
The Battle of the Java Sea was a major World War II naval engagement in early 1942 in which Japanese forces decisively defeated an Allied fleet, leading to the fall of the Dutch East Indies.
-
E.
Battle of the Eastern Solomons
The Battle of the Eastern Solomons was a major 1942 carrier battle in the Pacific Theater of World War II, fought between U.S. and Japanese naval forces as part of the struggle for control of Guadalcanal and the surrounding Solomon Islands.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
World War II battle
ⓘ
naval operation ⓘ |
| alsoKnownAs | Easter Sunday Raid ⓘ |
| belligerent |
Allied forces
ⓘ
British Empire ⓘ Japan ⓘ
surface form:
Empire of Japan
United Kingdom ⓘ |
| commander |
Chuichi Nagumo
ⓘ
James Somerville ⓘ |
| conflict | World War II ⓘ |
| countryInvolved |
Australia
ⓘ
Sri Lanka ⓘ
surface form:
Ceylon
Japan ⓘ United Kingdom ⓘ |
| endDate | 1942-04-10 ⓘ |
| followedBy |
Battle of Midway
ⓘ
Battle of Coral Sea ⓘ
surface form:
Battle of the Coral Sea
|
| involvedUnit |
HMAS Vampire
ⓘ
HMS Cornwall ⓘ HMS Dorsetshire ⓘ HMS Formidable ⓘ HMS Hermes ⓘ HMS Indomitable ⓘ HMS Warspite ⓘ First Air Fleet of the Imperial Japanese Navy ⓘ
surface form:
Japanese First Air Fleet
Kido Butai ⓘ |
| location |
Bay of Bengal
ⓘ
Indian Ocean ⓘ near Colombo ⓘ near Trincomalee ⓘ off Ceylon ⓘ |
| notableAction |
Japanese carrier air attacks on Colombo
ⓘ
Japanese carrier air attacks on Trincomalee ⓘ air raids on shipping in the Bay of Bengal ⓘ sinking of Australian destroyer HMAS Vampire ⓘ sinking of British aircraft carrier HMS Hermes ⓘ sinking of British cruisers HMS Cornwall and HMS Dorsetshire ⓘ |
| objective |
disrupt Allied supply lines
ⓘ
threaten British positions in the Indian Ocean ⓘ weaken British naval presence in the Indian Ocean ⓘ |
| opponent |
Eastern Fleet
ⓘ
Royal Navy ⓘ |
| partOf | Pacific War ⓘ |
| result |
Allied strategic withdrawal
ⓘ
Japanese tactical victory ⓘ survival of Eastern Fleet core units ⓘ |
| startDate | 1942-03-31 ⓘ |
| strategicImpact |
demonstrated reach of Japanese carrier forces into the Indian Ocean
ⓘ
prompted dispersion of British Eastern Fleet ⓘ |
| timePeriod | April 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.
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.
Subject: Indian Ocean raid Description of subject: The Indian Ocean raid was a major World War II naval operation in April 1942 in which Japan’s fleet struck British and Allied forces in the Indian Ocean, aiming to weaken their naval presence and disrupt supply lines.
Referenced by (49)
Full triples — surface form annotated when it differs from this entity's canonical label.