HMS Dreadnought
E422278
HMS Dreadnought was the United Kingdom’s first nuclear-powered submarine, marking a major technological leap in the Royal Navy’s undersea warfare capabilities.
All labels observed (4)
| Label | Occurrences |
|---|---|
| HMS Dreadnought canonical | 6 |
| HMS Dreadnought (1906) | 2 |
| Dreadnought class | 1 |
| HMS Dreadnought (1906 battleship) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4205880 — 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: HMS Dreadnought Context triple: [Dreadnought-class submarine, firstBoat, HMS Dreadnought]
-
A.
HMS Iron Duke
HMS Iron Duke was a British Iron Duke-class battleship that served as Admiral Sir John Jellicoe’s flagship at the Battle of Jutland during World War I.
-
B.
HMS Invincible
HMS Invincible was a pioneering British battlecruiser of the early 20th century, best known for her dramatic loss during World War I at the Battle of Jutland.
-
C.
HMS Achilles
HMS Achilles was a Royal Navy Leander-class light cruiser best known for its role in the Battle of the River Plate during World War II.
-
D.
HMS Vanguard
HMS Vanguard was a British Royal Navy ship of the line best known for serving as Admiral Horatio Nelson’s flagship during the decisive 1798 Battle of the Nile in the French Revolutionary Wars.
-
E.
HMS Vanguard
HMS Vanguard is a British Royal Navy ballistic missile submarine that serves as part of the United Kingdom’s strategic nuclear deterrent force.
- 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: HMS Dreadnought Target entity description: HMS Dreadnought was the United Kingdom’s first nuclear-powered submarine, marking a major technological leap in the Royal Navy’s undersea warfare capabilities.
-
A.
HMS Iron Duke
HMS Iron Duke was a British Iron Duke-class battleship that served as Admiral Sir John Jellicoe’s flagship at the Battle of Jutland during World War I.
-
B.
HMS Invincible
HMS Invincible was a pioneering British battlecruiser of the early 20th century, best known for her dramatic loss during World War I at the Battle of Jutland.
-
C.
HMS Achilles
HMS Achilles was a Royal Navy Leander-class light cruiser best known for its role in the Battle of the River Plate during World War II.
-
D.
HMS Vanguard
HMS Vanguard is a British Royal Navy ballistic missile submarine that serves as part of the United Kingdom’s strategic nuclear deterrent force.
-
E.
HMS Vanguard
HMS Vanguard was a British Royal Navy ship of the line best known for serving as Admiral Horatio Nelson’s flagship during the decisive 1798 Battle of the Nile in the French Revolutionary Wars.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
Royal Navy submarine
ⓘ
military ship ⓘ nuclear-powered submarine ⓘ |
| armament | torpedo tubes ⓘ |
| beam | about 9.8 meters ⓘ |
| builder | Vickers-Armstrongs ⓘ |
| builtAt | Barrow-in-Furness ⓘ |
| category |
Cold War submarines of the United Kingdom
ⓘ
Nuclear submarines of the Royal Navy ⓘ Ships built in Barrow-in-Furness ⓘ |
| commissioned | 1963-04-17 ⓘ |
| constructionMaterial | steel ⓘ |
| constructionStart | late 1950s ⓘ |
| country | United Kingdom ⓘ |
| crewComplement | approximately 100 ⓘ |
| decommissioned | 1980-10-13 ⓘ |
| displacement |
approximately 3,500 tons surfaced
ⓘ
approximately 4,000 tons submerged ⓘ |
| draft | about 7.6 meters ⓘ |
| flag | White Ensign ⓘ |
| homePort |
Faslane (HMNB Clyde)
ⓘ
linked to:
HMNB Clyde
|
| hullNumber | S101 ⓘ |
| hullType | teardrop-shaped hull ⓘ |
| laidDown | 1959-06-12 ⓘ |
| launched | 1960-10-21 ⓘ |
| length | about 81 meters ⓘ |
| maximumSubmergedSpeed | over 25 knots ⓘ |
| namedAfter |
HMS Dreadnought (1906 battleship)
ⓘ
linked to:
HMS Dreadnought
the concept of “dreadnought” warships ⓘ |
| navalBranch | Submarine Service ⓘ |
| notableEvent | first British submarine to be powered by nuclear energy ⓘ |
| nuclearPropulsionCollaboration | United States Navy ⓘ |
| nuclearReactorOrigin |
United States
ⓘ
linked to:
United States of America
|
| nuclearReactorType | S5W reactor design ⓘ |
| operator | Royal Navy ⓘ |
| powerplant | one pressurized-water nuclear reactor ⓘ |
| precedence | first nuclear-powered submarine of the Royal Navy ⓘ |
| propulsion |
nuclear reactor
ⓘ
steam turbines ⓘ |
| role | attack submarine ⓘ |
| serviceDuring | Cold War ⓘ |
| serviceEnd | 1980 ⓘ |
| serviceEntry | 1963 ⓘ |
| shipClass | Dreadnought-class submarine ⓘ |
| significance |
marked a major technological leap in British undersea warfare
ⓘ
pioneered nuclear propulsion in the Royal Navy ⓘ |
| status | decommissioned ⓘ |
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: HMS Dreadnought Description of subject: HMS Dreadnought was the United Kingdom’s first nuclear-powered submarine, marking a major technological leap in the Royal Navy’s undersea warfare capabilities.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
Dreadnought-class nuclear-powered ballistic missile submarines
→
namedAfter
→
HMS Dreadnought (1906)
ⓘ
linked to: HMS Dreadnought
linked to: HMS Dreadnought
linked to: HMS Dreadnought
linked to: HMS Dreadnought