Mark I tank
E430086
The Mark I tank was the world’s first operational armored fighting vehicle, introduced by Britain during World War I to break the stalemate of trench warfare.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Mark I tank canonical | 3 |
How this entity was disambiguated
This entity first appeared as the object of triple T4319147 — 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: Mark I tank Context triple: [Heavy Branch, Machine Gun Corps, equipment, Mark I tank]
-
A.
Vickers 6-Ton tank
The Vickers 6-Ton tank was a British interwar light tank whose design became highly influential worldwide, serving as the basis for several other countries’ armored vehicles, including the Soviet T-26.
-
B.
Churchill tanks
Churchill tanks were British heavy infantry tanks of World War II, noted for their thick armor, ability to tackle difficult terrain, and extensive use in Allied operations.
-
C.
Cromwell tanks
Cromwell tanks were fast British cruiser tanks of World War II, notable for their use in the later stages of the war, including the Normandy campaign.
-
D.
Vickers A1E1 Independent tank
The Vickers A1E1 Independent tank was an experimental interwar British multi-turreted heavy tank prototype that influenced later tank designs despite never entering mass production.
-
E.
Vickers Medium Mark II tank
The Vickers Medium Mark II tank was a British interwar medium tank that played a key role in developing armored warfare doctrine and influenced later tank designs.
- 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: Mark I tank Target entity description: The Mark I tank was the world’s first operational armored fighting vehicle, introduced by Britain during World War I to break the stalemate of trench warfare.
-
A.
Vickers 6-Ton tank
The Vickers 6-Ton tank was a British interwar light tank whose design became highly influential worldwide, serving as the basis for several other countries’ armored vehicles, including the Soviet T-26.
-
B.
Churchill tanks
Churchill tanks were British heavy infantry tanks of World War II, noted for their thick armor, ability to tackle difficult terrain, and extensive use in Allied operations.
-
C.
Cromwell tanks
Cromwell tanks were fast British cruiser tanks of World War II, notable for their use in the later stages of the war, including the Normandy campaign.
-
D.
Vickers A1E1 Independent tank
The Vickers A1E1 Independent tank was an experimental interwar British multi-turreted heavy tank prototype that influenced later tank designs despite never entering mass production.
-
E.
Vickers Medium Mark II tank
The Vickers Medium Mark II tank was a British interwar medium tank that played a key role in developing armored warfare doctrine and influenced later tank designs.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
armoured fighting vehicle
ⓘ
military vehicle ⓘ tank ⓘ |
| armamentVariant |
Female version armed with only machine guns
ⓘ
Male version armed with naval 6-pounder guns and machine guns ⓘ |
| armourThickness | up to about 12 mm ⓘ |
| conflict | World War I ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| crew | 8 ⓘ |
| crewIncludes |
commander
ⓘ
driver ⓘ gearsmen ⓘ gunners ⓘ |
| designedFor |
crossing trenches
ⓘ
supporting infantry assaults ⓘ |
| designedTo | break trench warfare stalemate ⓘ |
| designer |
Walter Gordon Wilson
ⓘ
William Tritton ⓘ |
| developmentFrom | Little Willie prototype ⓘ |
| engine | Daimler 6-cylinder petrol engine ⓘ |
| enginePower | about 105 hp ⓘ |
| firstOperationalUse | Battle of the Somme ⓘ |
| firstOperationalUseYear | 1916 ⓘ |
| hadSteeringTail | true ⓘ |
| hasVariant |
Mark I Female
ⓘ
Mark I Male ⓘ |
| height | about 2.41 metres ⓘ |
| introducedInYear | 1916 ⓘ |
| length | about 9.94 metres ⓘ |
| manufacturer |
Fosters of Lincoln
ⓘ
Metropolitan Carriage, Wagon and Finance Company ⓘ |
| maximumSpeed | about 6 km/h ⓘ |
| nickname | Mother ⓘ |
| notableFor | being the first operational tank in history ⓘ |
| numberBuilt | about 150 ⓘ |
| primaryArmour | riveted steel plate ⓘ |
| propulsion | petrol engine ⓘ |
| retiredFromService | 1918 ⓘ |
| serviceEntry | 1916 ⓘ |
| steeringMethod | differential braking and steering tail ⓘ |
| successor |
Mark II tank
ⓘ
Mark IV tank ⓘ |
| trackType | full-length all-around tracks ⓘ |
| usedBy | British Army ⓘ |
| usedInRole |
breakthrough vehicle
ⓘ
infantry support vehicle ⓘ |
| weight | approximately 28 tons ⓘ |
| width | about 4.27 metres ⓘ |
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: Mark I tank Description of subject: The Mark I tank was the world’s first operational armored fighting vehicle, introduced by Britain during World War I to break the stalemate of trench warfare.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.