M3 Lee tank
E390840
The M3 Lee tank was an American World War II medium tank notable for its tall profile and combination of hull-mounted main gun and turret-mounted secondary gun, serving as an important early-war design before being replaced by the M4 Sherman.
All labels observed (7)
| Label | Occurrences |
|---|---|
| M3 Lee | 2 |
| Grant medium tank | 1 |
| M3 Grant | 1 |
| M3 Lee has different turret design | 1 |
| M3 Lee tank canonical | 1 |
| M3 Lee tanks | 1 |
| M3 medium tank chassis | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T3666456 — 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: M3 Lee tank Context triple: [M4 Sherman tank, predecessor, M3 Lee tank]
-
A.
M4 Sherman tank
The M4 Sherman tank was the primary American medium tank of World War II, widely used by Allied forces for its reliability, ease of production, and versatility in combat roles.
-
B.
TAM medium tank
The TAM medium tank is an Argentine-designed and -produced main battle tank developed in the 1970s to provide the country with a modern, mobile armored fighting vehicle suited to its terrain and military needs.
-
C.
M48 Patton tank
The M48 Patton tank is an American Cold War–era main battle tank widely used by the U.S. and allied forces in numerous conflicts from the 1950s onward.
-
D.
M26 Pershing tank
The M26 Pershing tank was a late-World War II American heavy/medium tank that introduced improved armor and a powerful 90 mm gun, serving as a precursor to the postwar Patton series.
-
E.
M46 Patton tank
The M46 Patton tank is an American post–World War II main battle tank that served as an early member of the Patton series, seeing combat in the Korean War and bridging the transition from the M26 Pershing to later Cold War 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: M3 Lee tank Target entity description: The M3 Lee tank was an American World War II medium tank notable for its tall profile and combination of hull-mounted main gun and turret-mounted secondary gun, serving as an important early-war design before being replaced by the M4 Sherman.
-
A.
M4 Sherman tank
The M4 Sherman tank was the primary American medium tank of World War II, widely used by Allied forces for its reliability, ease of production, and versatility in combat roles.
-
B.
TAM medium tank
The TAM medium tank is an Argentine-designed and -produced main battle tank developed in the 1970s to provide the country with a modern, mobile armored fighting vehicle suited to its terrain and military needs.
-
C.
M48 Patton tank
The M48 Patton tank is an American Cold War–era main battle tank widely used by the U.S. and allied forces in numerous conflicts from the 1950s onward.
-
D.
M26 Pershing tank
The M26 Pershing tank was a late-World War II American heavy/medium tank that introduced improved armor and a powerful 90 mm gun, serving as a precursor to the postwar Patton series.
-
E.
M46 Patton tank
The M46 Patton tank is an American post–World War II main battle tank that served as an early member of the Patton series, seeing combat in the Korean War and bridging the transition from the M26 Pershing to later Cold War designs.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
American tank
ⓘ
World War II tank ⓘ medium tank ⓘ medium tank variant ⓘ |
| armorThickness | up to 51 mm ⓘ |
| conflict | World War II ⓘ |
| countryOfOrigin |
United States
ⓘ
linked to:
United States of America
|
| crew | 7 ⓘ |
| designedBy | United States Ordnance Department ⓘ |
| designedFor | British requirements ⓘ |
| designedIn | 1940 ⓘ |
| differenceFrom |
M3 Lee has different turret design
ⓘ
linked to:
M3 Lee tank
|
| engine | Wright R-975 radial gasoline engine ⓘ |
| enginePower | 400 hp ⓘ |
| exportedTo |
Australia
ⓘ
Soviet Union ⓘ United Kingdom ⓘ |
| hasVariant |
M3 Grant
ⓘ
linked to:
M3 Lee tank
M3 Lee ⓘ
linked to:
M3 Lee tank
|
| height | about 10 feet 3 inches ⓘ |
| introducedInService | 1941 ⓘ |
| layoutFeature |
hull-mounted 75 mm main gun
ⓘ
turret-mounted 37 mm secondary gun ⓘ |
| length | about 18 feet 6 inches ⓘ |
| maximumSpeed | about 26 mph on road ⓘ |
| namedAfter | Robert E. Lee ⓘ |
| notableCharacteristic |
sponson-mounted main gun
ⓘ
tall silhouette ⓘ |
| numberBuilt | over 6,000 ⓘ |
| primaryArmament |
75 mm M2 gun
ⓘ
75 mm M3 gun ⓘ |
| productionEnd | 1943 ⓘ |
| productionStart | 1941 ⓘ |
| range | about 120 miles on road ⓘ |
| replacedBy |
M4 Sherman
ⓘ
linked to:
M4 Sherman tank
|
| secondaryArmament |
.30 caliber Browning M1919 machine guns
ⓘ
linked to:
.30 cal Browning M1919A4 machine guns
37 mm M5 gun ⓘ 37 mm M6 gun ⓘ |
| suspension | vertical volute spring suspension ⓘ |
| usedBy |
Australian Army
ⓘ
British Army ⓘ Soviet Red Army ⓘ
linked to:
Red Army
United States Army ⓘ |
| usedInBattle |
Battle of Gazala
ⓘ
North African Campaign ⓘ
linked to:
North African campaign
Second Battle of El Alamein ⓘ
linked to:
Battle of El Alamein
|
| usedInTheater |
Eastern Front
ⓘ
Pacific Theater ⓘ
linked to:
Pacific Theater of Operations
|
| weight | approximately 27 tonnes ⓘ |
| width | about 8 feet 11 inches ⓘ |
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: M3 Lee tank Description of subject: The M3 Lee tank was an American World War II medium tank notable for its tall profile and combination of hull-mounted main gun and turret-mounted secondary gun, serving as an important early-war design before being replaced by the M4 Sherman.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.