Italian battleship Caio Duilio
E443405
The Italian battleship Caio Duilio was a World War II-era Regia Marina warship of the Conte di Cavour class that served in the Mediterranean and was notably damaged during the British air raid on Taranto.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Italian battleship Caio Duilio canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T4436188 — 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: Italian battleship Caio Duilio Context triple: [Attack on Taranto, targetedShip, Italian battleship Caio Duilio]
-
A.
Italian battleship Conte di Cavour
The Italian battleship Conte di Cavour was a World War I–era dreadnought modernized between the wars that served in the Regia Marina and was famously put out of action during World War II.
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B.
Italian cruiser Giovanni dalle Bande Nere
Italian cruiser Giovanni dalle Bande Nere was a Condottieri-class light cruiser of the Regia Marina that served in World War II, noted for its high speed and participation in Mediterranean naval operations before being sunk in 1942.
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C.
Italian cruiser Bartolomeo Colleoni
Italian cruiser Bartolomeo Colleoni was a Giussano-class light cruiser of the Regia Marina that served in the early years of World War II before being sunk by Allied forces in the Mediterranean.
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D.
Italian cruiser Fiume
Italian cruiser Fiume was a Zara-class heavy cruiser of the Regia Marina that saw significant action in World War II before being sunk by British forces at the Battle of Cape Matapan in 1941.
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E.
Italian cruiser Bolzano
Italian cruiser Bolzano was a Trento-class heavy cruiser of the Regia Marina that served as a fast, heavily armed warship in the Mediterranean during World War II.
- 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: Italian battleship Caio Duilio Target entity description: The Italian battleship Caio Duilio was a World War II-era Regia Marina warship of the Conte di Cavour class that served in the Mediterranean and was notably damaged during the British air raid on Taranto.
-
A.
Italian battleship Conte di Cavour
The Italian battleship Conte di Cavour was a World War I–era dreadnought modernized between the wars that served in the Regia Marina and was famously put out of action during World War II.
-
B.
Italian cruiser Giovanni dalle Bande Nere
Italian cruiser Giovanni dalle Bande Nere was a Condottieri-class light cruiser of the Regia Marina that served in World War II, noted for its high speed and participation in Mediterranean naval operations before being sunk in 1942.
-
C.
Italian cruiser Bartolomeo Colleoni
Italian cruiser Bartolomeo Colleoni was a Giussano-class light cruiser of the Regia Marina that served in the early years of World War II before being sunk by Allied forces in the Mediterranean.
-
D.
Italian cruiser Fiume
Italian cruiser Fiume was a Zara-class heavy cruiser of the Regia Marina that saw significant action in World War II before being sunk by British forces at the Battle of Cape Matapan in 1941.
-
E.
Italian cruiser Bolzano
Italian cruiser Bolzano was a Trento-class heavy cruiser of the Regia Marina that served as a fast, heavily armed warship in the Mediterranean during World War II.
- F. None of above. chosen
Statements (49)
| Predicate | Object |
|---|---|
| instanceOf |
Conte di Cavour-class battleship
ⓘ
battleship ⓘ warship ⓘ |
| armament |
10 × 320 mm guns (after reconstruction)
ⓘ
13 × 305 mm guns (as built) ⓘ anti-aircraft guns (various calibers) ⓘ secondary battery of 120 mm guns (various numbers over career) ⓘ torpedo tubes (as built) ⓘ |
| beam | approximately 28 meters ⓘ |
| builder |
Cantieri navali Odero
ⓘ
linked to:
Cantieri Riuniti dell'Adriatico
|
| builtAt | Genoa ⓘ |
| commissioned | 10 May 1915 ⓘ |
| conflict |
Battle of Calabria
ⓘ
Battle of Cape Spartivento (indirect involvement as part of Italian battlefleet period) ⓘ |
| country | Kingdom of Italy ⓘ |
| crewComplement |
approximately 1,200 officers and men (as built)
ⓘ
over 1,600 officers and men (after reconstruction) ⓘ |
| damagedBy |
Royal Navy aircraft
ⓘ
linked to:
Fleet Air Arm
|
| damageType | torpedo hits at Taranto ⓘ |
| decommissioned | 1956 ⓘ |
| displacement |
approximately 23,000 tons (standard, as built)
ⓘ
approximately 29,000 tons (full load, as built) ⓘ over 29,000 tons (standard, after reconstruction) ⓘ |
| era |
World War I
ⓘ
World War II ⓘ |
| eventDate | Taranto air raid, 11–12 November 1940 ⓘ |
| flag | naval ensign of the Kingdom of Italy ⓘ |
| homePort | Taranto ⓘ |
| laidDown | 24 April 1910 ⓘ |
| launched | 24 April 1913 ⓘ |
| length |
approximately 176 meters (as built)
ⓘ
approximately 186 meters (after reconstruction) ⓘ |
| maximumSpeed |
approximately 21 knots (as built)
ⓘ
approximately 26 knots (after reconstruction) ⓘ |
| namedAfter | Caio Duilio ⓘ |
| notableEvent | damaged in British air raid on Taranto ⓘ |
| operator |
Regia Marina
ⓘ
linked to:
Italian Navy
|
| propulsion |
oil-fired boilers (after reconstruction)
ⓘ
steam turbines ⓘ |
| reconstructed | 1937–1940 ⓘ |
| reconstructionLocation | Genoa ⓘ |
| returnedToService | May 1941 ⓘ |
| role | fleet flagship (at various times) ⓘ |
| scrapped | late 1950s ⓘ |
| shipClass | Conte di Cavour class ⓘ |
| successor | Italian missile cruiser Caio Duilio (C 554) ⓘ |
| theaterOfOperations | Mediterranean Sea ⓘ |
| towedTo |
Taranto inner harbor (after Taranto raid)
ⓘ
linked to:
Taranto harbor
|
| usedAs | training ship (postwar) ⓘ |
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: Italian battleship Caio Duilio Description of subject: The Italian battleship Caio Duilio was a World War II-era Regia Marina warship of the Conte di Cavour class that served in the Mediterranean and was notably damaged during the British air raid on Taranto.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.