HIJMS Nagato
E325449
HIJMS Nagato was a Japanese battleship, famed as Admiral Yamamoto’s flagship during the attack on Pearl Harbor and later sunk as a target during postwar nuclear tests.
All labels observed (1)
| Label | Occurrences |
|---|---|
| HIJMS Nagato canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2708242 — 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: HIJMS Nagato Context triple: [Bikini Atoll, hasShipwreck, HIJMS Nagato]
-
A.
Kaga
Kaga was a Japanese aircraft carrier of the Imperial Japanese Navy that played a major role in early Pacific War operations before being sunk at the Battle of Midway in 1942.
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B.
IJN Sendai
IJN Sendai was a Sendai-class light cruiser of the Imperial Japanese Navy that served as a destroyer flotilla leader in the Pacific during World War II.
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C.
IJN Jintsu
IJN Jintsu was a Sendai-class light cruiser of the Imperial Japanese Navy that served in numerous Pacific War operations during World War II before being sunk in 1943.
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D.
Sendai-class cruiser
The Sendai-class cruiser was a group of light cruisers built for the Imperial Japanese Navy in the early 20th century, designed primarily as destroyer flotilla leaders and for night combat operations.
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E.
Izumo-class helicopter destroyer
The Izumo-class helicopter destroyer is a class of large Japanese Maritime Self-Defense Force warships designed primarily for anti-submarine warfare and helicopter operations, and later adapted to operate fixed-wing STOVL aircraft.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: HIJMS Nagato Target entity description: HIJMS Nagato was a Japanese battleship, famed as Admiral Yamamoto’s flagship during the attack on Pearl Harbor and later sunk as a target during postwar nuclear tests.
-
A.
Kaga
Kaga was a Japanese aircraft carrier of the Imperial Japanese Navy that played a major role in early Pacific War operations before being sunk at the Battle of Midway in 1942.
-
B.
IJN Sendai
IJN Sendai was a Sendai-class light cruiser of the Imperial Japanese Navy that served as a destroyer flotilla leader in the Pacific during World War II.
-
C.
IJN Jintsu
IJN Jintsu was a Sendai-class light cruiser of the Imperial Japanese Navy that served in numerous Pacific War operations during World War II before being sunk in 1943.
-
D.
Sendai-class cruiser
The Sendai-class cruiser was a group of light cruisers built for the Imperial Japanese Navy in the early 20th century, designed primarily as destroyer flotilla leaders and for night combat operations.
-
E.
Izumo-class helicopter destroyer
The Izumo-class helicopter destroyer is a class of large Japanese Maritime Self-Defense Force warships designed primarily for anti-submarine warfare and helicopter operations, and later adapted to operate fixed-wing STOVL aircraft.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
battleship
ⓘ
warship ⓘ |
| armament |
20.3 cm (8 in) secondary guns (as originally built)
ⓘ
8 × 41 cm (16 in) main guns ⓘ |
| beam | approximately 29 meters ⓘ |
| builtAt | Kure Naval Arsenal ⓘ |
| capturedBy | United States Navy ⓘ |
| category |
Capital ships of the Imperial Japanese Navy
ⓘ
Operation Crossroads target ships ⓘ Ships sunk as targets ⓘ World War II battleships of Japan ⓘ |
| commissionedOn | 1920-11-25 ⓘ |
| countryOfOrigin | Japan ⓘ |
| crewComplement | about 1,300 officers and men (wartime) ⓘ |
| decommissionedByJapan | 1945 ⓘ |
| displacement | about 32,000 tons standard ⓘ |
| draft | approximately 9.5 meters ⓘ |
| fate | sunk as a target ship ⓘ |
| flagshipOf |
Isoroku Yamamoto
ⓘ
surface form:
Admiral Isoroku Yamamoto
|
| flagshipPeriod | early 1920s to 1941 ⓘ |
| hullNumber | Battleship No. 1 ⓘ |
| laidDownOn | 1917-08-28 ⓘ |
| launchedOn | 1919-11-09 ⓘ |
| length | approximately 215 meters ⓘ |
| locationOfWreck | near Bikini Atoll, Marshall Islands ⓘ |
| modernizationDetails | received improved armor, machinery, and anti-aircraft armament ⓘ |
| modernized | 1930s ⓘ |
| namesake | Nagato Province NERFINISHED ⓘ |
| notableEvent | served as Admiral Yamamoto’s flagship during the attack on Pearl Harbor ⓘ |
| notableFeature | first battleship in the world completed with 16-inch guns ⓘ |
| operator | Imperial Japanese Navy ⓘ |
| participatedIn |
attack on Pearl Harbor
ⓘ
surface form:
Attack on Pearl Harbor (as flagship, not present at the attack site)
Operation Crossroads ⓘ World War II ⓘ |
| postwarUse | target ship for nuclear tests ⓘ |
| propulsion | steam turbines ⓘ |
| roleDuringWorldWarII | flagship of the Combined Fleet ⓘ |
| servedAs | training ship (late war period) ⓘ |
| shipClass | Nagato-class battleship ⓘ |
| sisterShip |
Japanese battleship Mutsu
ⓘ
surface form:
HIJMS Mutsu
|
| status | shipwreck ⓘ |
| sunkBy | nuclear test-related damage and flooding after Operation Crossroads ⓘ |
| sunkOn | 1946-07-29 ⓘ |
| survivedWar | true ⓘ |
| testSite | Bikini Atoll ⓘ |
| topSpeed | 26.5 knots ⓘ |
| transferredTo |
United States of America
ⓘ
surface form:
United States
|
| usedIn | radiation effects studies after nuclear detonations ⓘ |
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: HIJMS Nagato Description of subject: HIJMS Nagato was a Japanese battleship, famed as Admiral Yamamoto’s flagship during the attack on Pearl Harbor and later sunk as a target during postwar nuclear tests.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.