Thompson submachine gun
E99958
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.
All labels observed (5)
| Label | Occurrences |
|---|---|
| Thompson submachine gun canonical | 6 |
| M1 Thompson | 1 |
| M1921 Thompson | 1 |
| M1928 Thompson | 1 |
| M1A1 Thompson | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T773360 — 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: Thompson submachine gun Context triple: [George "Machine Gun" Kelly, usedWeapon, Thompson submachine gun]
-
A.
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.
-
B.
Maxim machine gun
The Maxim machine gun is a pioneering late 19th-century recoil-operated, water-cooled heavy machine gun that became one of the first fully automatic weapons widely adopted by major armies around the world.
-
C.
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.
-
D.
M1 Garand rifles
M1 Garand rifles are semi-automatic .30-06 U.S. military service rifles widely used during World War II and the Korean War.
-
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: Thompson submachine gun Target entity description: 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.
-
A.
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.
-
B.
Maxim machine gun
The Maxim machine gun is a pioneering late 19th-century recoil-operated, water-cooled heavy machine gun that became one of the first fully automatic weapons widely adopted by major armies around the world.
-
C.
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.
-
D.
M1 Garand rifles
M1 Garand rifles are semi-automatic .30-06 U.S. military service rifles widely used during World War II and the Korean War.
-
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 (49)
| Predicate | Object |
|---|---|
| instanceOf |
automatic weapon
ⓘ
firearm ⓘ submachine gun ⓘ |
| action | blowback-operated ⓘ |
| caliber | .45 ACP ⓘ |
| countryOfOrigin |
United States of America
ⓘ
surface form:
United States
|
| culturalSignificance |
icon of American gangster era
ⓘ
symbol of Prohibition-era crime ⓘ |
| designer | John T. Thompson ⓘ |
| feedSystem |
100-round drum magazine
ⓘ
20-round box magazine ⓘ 30-round box magazine ⓘ 50-round drum magazine ⓘ |
| firingModes |
fully automatic
ⓘ
selective fire ⓘ semi-automatic ⓘ |
| introduced | 1918 ⓘ |
| manufacturer |
Auto-Ordnance Bridgeport
ⓘ
Auto-Ordnance Company ⓘ Colt's Manufacturing Company ⓘ Savage Arms ⓘ |
| material | steel ⓘ |
| nicknamed |
Chicago Typewriter
ⓘ
Tommy Gun ⓘ Trench Broom ⓘ |
| notableVariant |
Thompson submachine gun
self-linksurface differs
ⓘ
surface form:
M1 Thompson
Thompson submachine gun self-linksurface differs ⓘ
surface form:
M1921 Thompson
Thompson submachine gun self-linksurface differs ⓘ
surface form:
M1928 Thompson
Thompson submachine gun self-linksurface differs ⓘ
surface form:
M1A1 Thompson
|
| rateOfFire | 600–1500 rounds per minute ⓘ |
| sights | iron sights ⓘ |
| standardIssue | some U.S. forces in World War II ⓘ |
| stockMaterial | wood ⓘ |
| usedBy |
British Army
ⓘ
Chicago police ⓘ
surface form:
Chicago Police Department
Federal Bureau of Investigation ⓘ Irish Republican Army ⓘ United States Army ⓘ United States Marine Corps ⓘ gangsters in the United States ⓘ |
| usedDuring | Prohibition era ⓘ |
| usedFor |
law enforcement
ⓘ
military combat ⓘ organized crime activities ⓘ |
| usedInConflict |
Irish War of Independence
ⓘ
Korean War ⓘ Prohibition-era gang conflicts ⓘ Vietnam War ⓘ 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: Thompson submachine gun Description of subject: 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.
Referenced by (10)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
M1921 Thompson
this entity surface form:
M1928 Thompson
this entity surface form:
M1 Thompson
this entity surface form:
M1A1 Thompson