Sten submachine gun
E150593
The Sten submachine gun was a simple, inexpensive British 9mm World War II firearm widely used by Allied forces and resistance fighters for its ease of manufacture and concealment.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Sten submachine gun canonical | 2 |
| Sten Mk I | 1 |
| Sten Mk I* | 1 |
| Sten Mk II | 1 |
| Sten Mk III | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T1279310 — 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: Sten submachine gun Context triple: [Operation Anthropoid, weaponUsed, Sten submachine gun]
-
A.
Thompson submachine gun
The Thompson submachine gun is an iconic American automatic firearm, widely used by gangsters and law enforcement during the Prohibition era and later adopted by the military in World War II.
-
B.
PPSh-41 submachine gun
The PPSh-41 submachine gun is a Soviet World War II-era automatic weapon famed for its high rate of fire, drum magazine, and extensive use by Red Army infantry.
-
C.
MG 42 machine gun
The MG 42 machine gun is a German World War II-era general-purpose machine gun renowned for its extremely high rate of fire, reliability, and influential design that shaped postwar machine guns worldwide.
-
D.
Berdan rifle
The Berdan rifle was a 19th-century single-shot bolt-action military rifle that served as a standard infantry weapon of the Imperial Russian Army.
-
E.
MG 131 machine gun
The MG 131 machine gun was a German 13 mm aircraft-mounted heavy machine gun used extensively by the Luftwaffe during World War II for defensive and offensive armament on various combat aircraft.
- 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: Sten submachine gun Target entity description: The Sten submachine gun was a simple, inexpensive British 9mm World War II firearm widely used by Allied forces and resistance fighters for its ease of manufacture and concealment.
-
A.
Thompson submachine gun
The Thompson submachine gun is an iconic American automatic firearm, widely used by gangsters and law enforcement during the Prohibition era and later adopted by the military in World War II.
-
B.
PPSh-41 submachine gun
The PPSh-41 submachine gun is a Soviet World War II-era automatic weapon famed for its high rate of fire, drum magazine, and extensive use by Red Army infantry.
-
C.
MG 42 machine gun
The MG 42 machine gun is a German World War II-era general-purpose machine gun renowned for its extremely high rate of fire, reliability, and influential design that shaped postwar machine guns worldwide.
-
D.
Berdan rifle
The Berdan rifle was a 19th-century single-shot bolt-action military rifle that served as a standard infantry weapon of the Imperial Russian Army.
-
E.
MG 131 machine gun
The MG 131 machine gun was a German 13 mm aircraft-mounted heavy machine gun used extensively by the Luftwaffe during World War II for defensive and offensive armament on various combat aircraft.
- F. None of above. chosen
Statements (57)
| Predicate | Object |
|---|---|
| instanceOf |
firearm
ⓘ
submachine gun ⓘ |
| action | blowback ⓘ |
| barrelLength | approximately 196 mm ⓘ |
| caliber | 9 mm ⓘ |
| cartridge | 9×19mm Parabellum ⓘ |
| countryOfOrigin | United Kingdom ⓘ |
| designed | 1940 ⓘ |
| designer |
Harold J. Turpin
NERFINISHED
ⓘ
Reginald V. Shepherd ⓘ |
| era | World War II era ⓘ |
| feedSystem | 32-round detachable box magazine ⓘ |
| hasVariant |
Sten submachine gun
self-linksurface differs
ⓘ
surface form:
Sten Mk I
Sten submachine gun self-linksurface differs ⓘ
surface form:
Sten Mk I*
Sten submachine gun self-linksurface differs ⓘ
surface form:
Sten Mk II
Sten submachine gun self-linksurface differs ⓘ
surface form:
Sten Mk III
Sten Mk V ⓘ Sten Mk VI ⓘ |
| inService | 1941 ⓘ |
| inServiceUntil | 1960s ⓘ |
| manufacturer |
Birmingham Small Arms Company
ⓘ
surface form:
BSA (Birmingham Small Arms Company)
Lines Brothers ⓘ Royal Ordnance ⓘ
surface form:
Royal Ordnance Factories
|
| mass | approximately 3.2 kg unloaded ⓘ |
| namedAfter |
Enfield
ⓘ
Shepherd ⓘ Turpin ⓘ |
| notableFeature |
compact size
ⓘ
ease of concealment ⓘ ease of manufacture ⓘ low production cost ⓘ side-mounted magazine ⓘ simple design ⓘ use of stamped metal parts ⓘ |
| numberBuilt | over 4 million ⓘ |
| operation | open bolt ⓘ |
| overallLength | approximately 760 mm ⓘ |
| rateOfFire | approximately 500 rounds per minute ⓘ |
| replaced | Lanchester submachine gun ⓘ |
| successor | Sterling submachine gun ⓘ |
| usedBy |
Allied resistance movements
ⓘ
British Army ⓘ Home Guard (United Kingdom) ⓘ
surface form:
British Home Guard
Canadian Army ⓘ British Commonwealth forces ⓘ
surface form:
Commonwealth forces
French Resistance ⓘ Norwegian Army ⓘ Norwegian resistance movement ⓘ
surface form:
Norwegian resistance
Polish Armed Forces in the West ⓘ Organization of the Polish underground resistance against Nazi Germany ⓘ
surface form:
Polish resistance
Special Operations Executive ⓘ Yugoslav Partisans ⓘ |
| usedInConflict |
Arab–Israeli War of 1948
ⓘ
surface form:
1948 Arab–Israeli War
Indonesian National Revolution ⓘ Korean War ⓘ Malayan Emergency ⓘ World War II ⓘ |
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: Sten submachine gun Description of subject: The Sten submachine gun was a simple, inexpensive British 9mm World War II firearm widely used by Allied forces and resistance fighters for its ease of manufacture and concealment.
Referenced by (6)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Sten Mk I
this entity surface form:
Sten Mk I*
this entity surface form:
Sten Mk II
this entity surface form:
Sten Mk III