HMS Iron Duke
E186244
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.
All labels observed (1)
| Label | Occurrences |
|---|---|
| HMS Iron Duke canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T1648258 — 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 Iron Duke Context triple: [Grand Fleet, flagship, HMS Iron Duke]
-
A.
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.
-
B.
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.
-
C.
HMS Warspite
HMS Warspite was a renowned British Royal Navy battleship celebrated for its distinguished combat service in both World Wars.
-
D.
HMS Indefatigable
HMS Indefatigable was a British battlecruiser of the early 20th century Royal Navy, best known for her catastrophic loss during the First World War.
-
E.
HMS Ivanhoe
HMS Ivanhoe was a British Royal Navy I-class destroyer that served during the early years of World War II, notably participating in operations such as the Altmark Incident.
- 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 Iron Duke Target entity description: 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.
-
A.
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.
-
B.
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.
-
C.
HMS Warspite
HMS Warspite was a renowned British Royal Navy battleship celebrated for its distinguished combat service in both World Wars.
-
D.
HMS Indefatigable
HMS Indefatigable was a British battlecruiser of the early 20th century Royal Navy, best known for her catastrophic loss during the First World War.
-
E.
HMS Ivanhoe
HMS Ivanhoe was a British Royal Navy I-class destroyer that served during the early years of World War II, notably participating in operations such as the Altmark Incident.
- F. None of above. chosen
Statements (56)
| Predicate | Object |
|---|---|
| instanceOf |
Iron Duke-class battleship
ⓘ
Royal Navy battleship ⓘ |
| armament |
10 × 13.5-inch (343 mm) guns in five twin turrets
ⓘ
12 × 6-inch (152 mm) guns ⓘ 2 × 3-inch (76 mm) anti-aircraft guns ⓘ 4 × 21-inch (533 mm) submerged torpedo tubes ⓘ |
| armour |
12-inch belt armour
ⓘ
up to 10-inch turret armour ⓘ up to 2.5-inch deck armour ⓘ |
| assignedTo |
Grand Fleet
ⓘ
Home Fleet ⓘ |
| battleOfJutlandDate | 1916-05-31 ⓘ |
| beachedAt |
Bay of Orphir
ⓘ
surface form:
Ore Bay, Orkney
|
| beam | 90 feet ⓘ |
| builder |
Portsmouth Historic Dockyard
ⓘ
surface form:
Portsmouth Dockyard
|
| class |
Iron Duke-class battleship
ⓘ
surface form:
Iron Duke class
|
| commissioned | 1914-03-09 ⓘ |
| country | United Kingdom ⓘ |
| crewComplement |
approximately 925 officers and men
ⓘ
up to 1100 in wartime ⓘ |
| damagedBy | Luftwaffe air attack in 1939 ⓘ |
| decommissioned | 1929-10-16 ⓘ |
| disarmed | in accordance with Washington Naval Treaty ⓘ |
| displacement |
25000 long tons (standard)
ⓘ
29000 long tons (deep load) ⓘ |
| draught | 29 feet 6 inches ⓘ |
| fate | scrapped ⓘ |
| firedAt |
Battle of Jutland
ⓘ
surface form:
German High Seas Fleet at the Battle of Jutland
|
| flagshipCommander |
John Jellicoe, 1st Earl Jellicoe
ⓘ
surface form:
Admiral Sir John Jellicoe
|
| flagshipOf | Grand Fleet ⓘ |
| flagshipPeriod | 1914–1916 ⓘ |
| homePort | Scapa Flow ⓘ |
| hulked | 1929 ⓘ |
| laidDown | 1912-01-12 ⓘ |
| launched | 1912-10-12 ⓘ |
| length | 622 feet 9 inches ⓘ |
| locationWhenDamaged | Scapa Flow ⓘ |
| maximumSpeed | 21.25 knots ⓘ |
| namedAfter | Arthur Wellesley, 1st Duke of Wellington ⓘ |
| operator | Royal Navy ⓘ |
| participatedIn |
Battle of Jutland
ⓘ
World War I ⓘ |
| pennantNumber | F234 ⓘ |
| postwarRole |
depot ship
ⓘ
gunnery training ship ⓘ |
| powerOutput | 29000 shaft horsepower ⓘ |
| propulsion |
coal-fired boilers
ⓘ
oil-fired boilers ⓘ steam turbines ⓘ |
| range | 7800 nautical miles at 10 knots ⓘ |
| roleAtJutland | flagship of Admiral Sir John Jellicoe ⓘ |
| scrappedAt | Faslane ⓘ |
| scrappedIn | 1932 ⓘ |
| treatyLimitation |
Washington Naval Conference
ⓘ
surface form:
Washington Naval Treaty
|
| usedAs |
accommodation ship
ⓘ
base ship at Scapa Flow ⓘ |
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 Iron Duke Description of subject: 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.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.