Japanese battleship Mutsu
E53428
Japanese battleship Mutsu was a Nagato-class dreadnought of the Imperial Japanese Navy, notable for its powerful 16-inch guns and its accidental magazine explosion and sinking in 1943.
All labels observed (3)
| Label | Occurrences |
|---|---|
| Japanese battleship Mutsu canonical | 2 |
| HIJMS Mutsu | 1 |
| Nagato-class battleship Mutsu | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T368800 — 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: Japanese battleship Mutsu Context triple: [Kure Naval Arsenal, notableShipConstructed, Japanese battleship Mutsu]
-
A.
IJN battleship Yamashiro
IJN battleship Yamashiro was a Japanese Fuso-class dreadnought battleship that served in the Imperial Japanese Navy and was sunk during the Battle of Surigao Strait in World War II.
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B.
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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C.
heavy cruiser Mikuma
The heavy cruiser Mikuma was an Imperial Japanese Navy warship of the Mogami class that saw early World War II service before being sunk during the pivotal Battle of Midway in 1942.
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D.
Sōryū
Sōryū was a Japanese aircraft carrier of the Imperial Japanese Navy that played a major role in early Pacific War operations before being sunk during World War II.
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E.
Musashi
Musashi was a World War II-era Japanese battleship, one of the largest and most heavily armed ever built, serving as a flagship of the Imperial Japanese Navy before being sunk in the Battle of Leyte Gulf.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Target entity: Japanese battleship Mutsu Target entity description: Japanese battleship Mutsu was a Nagato-class dreadnought of the Imperial Japanese Navy, notable for its powerful 16-inch guns and its accidental magazine explosion and sinking in 1943.
-
A.
IJN battleship Yamashiro
IJN battleship Yamashiro was a Japanese Fuso-class dreadnought battleship that served in the Imperial Japanese Navy and was sunk during the Battle of Surigao Strait in World War II.
-
B.
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.
-
C.
heavy cruiser Mikuma
The heavy cruiser Mikuma was an Imperial Japanese Navy warship of the Mogami class that saw early World War II service before being sunk during the pivotal Battle of Midway in 1942.
-
D.
Sōryū
Sōryū was a Japanese aircraft carrier of the Imperial Japanese Navy that played a major role in early Pacific War operations before being sunk during World War II.
-
E.
Musashi
Musashi was a World War II-era Japanese battleship, one of the largest and most heavily armed ever built, serving as a flagship of the Imperial Japanese Navy before being sunk in the Battle of Leyte Gulf.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Imperial Japanese Navy warship
ⓘ
Nagato-class battleship ⓘ dreadnought battleship ⓘ |
| antiAircraftArmament |
12.7 cm guns
ⓘ
25 mm guns ⓘ |
| armoredBeltThickness | up to about 305 mm ⓘ |
| beam | about 29 m ⓘ |
| builder | Yokosuka Naval Arsenal ⓘ |
| casualties | over 1100 dead ⓘ |
| causeOfLoss | internal magazine explosion ⓘ |
| class | Nagato class ⓘ |
| commissioned | 1921-10-24 ⓘ |
| country |
Japan
ⓘ
surface form:
Empire of Japan
|
| crew | about 1400 officers and men ⓘ |
| dateOfSinking | 1943-06-08 ⓘ |
| deckArmorThickness | up to about 197 mm ⓘ |
| designedBy | Imperial Japanese Navy Technical Department ⓘ |
| displacement |
about 32000 tons standard
ⓘ
about 39000 tons full load ⓘ |
| fate | broken up for scrap after salvage operations ⓘ |
| hullNumber | Battleship No. 4 ⓘ |
| laidDown | 1918-06-01 ⓘ |
| launched | 1920-05-31 ⓘ |
| length | about 215.8 m ⓘ |
| locationOfSinking |
Hiroshima Bay
ⓘ
surface form:
Hashirajima anchorage, Hiroshima Bay
|
| mainArmament | 4 twin 41 cm (16 inch) guns ⓘ |
| mainBatteryCaliber | 41 cm ⓘ |
| maximumSpeed | about 26.5 knots ⓘ |
| modernizationDetails |
enhanced anti-aircraft armament
ⓘ
improved armor protection ⓘ reconstructed superstructure ⓘ upgraded machinery ⓘ |
| modernized | 1930s ⓘ |
| namedAfter | Mutsu Province ⓘ |
| notableEvent | magazine explosion and sinking in 1943 ⓘ |
| operator | Imperial Japanese Navy ⓘ |
| participatedIn |
Sino-Japanese War (1937–1945)
ⓘ
surface form:
Second Sino-Japanese War
World War II ⓘ |
| propulsion |
oil-fired boilers
ⓘ
steam turbines ⓘ |
| roleInWorldWarII |
fleet flagship at times
ⓘ
training and support duties ⓘ |
| salvageOperations | partial salvage conducted post-World War II ⓘ |
| secondaryArmament | 14 cm guns ⓘ |
| serviceEntryEra | interwar period ⓘ |
| shipType | battleship ⓘ |
| sisterShip | Japanese battleship Nagato ⓘ |
| survivors | several hundred ⓘ |
| turretArmorThickness | up to about 460 mm ⓘ |
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: Japanese battleship Mutsu Description of subject: Japanese battleship Mutsu was a Nagato-class dreadnought of the Imperial Japanese Navy, notable for its powerful 16-inch guns and its accidental magazine explosion and sinking in 1943.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.