Tenth United States Army
E146290
The Tenth United States Army was a major U.S. field army formed in World War II that led the American land forces during the Battle of Okinawa in the Pacific Theater.
All labels observed (3)
How this entity was disambiguated
This entity first appeared as the object of triple T1217397 — 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: Tenth United States Army Context triple: [Operation Iceberg, involves, Tenth United States Army]
-
A.
Fifteenth United States Army
The Fifteenth United States Army was a U.S. Army field army formed in World War II that primarily oversaw occupation, training, and historical documentation duties in the European Theater.
-
B.
United States Eighth Army
The United States Eighth Army is a field army of the U.S. Army best known for its major combat role in the Korean War and its longstanding presence as a key component of American forces in East Asia.
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C.
U.S. Fifth Army
The U.S. Fifth Army was a major American field army in World War II, best known for leading Allied ground operations in the Italian Campaign.
-
D.
Eighth Army
The Eighth Army was a major British-led field army of the Second World War, best known for its pivotal role in the North African campaign, including the victory at El Alamein.
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E.
U.S. Seventh Army
The U.S. Seventh Army is a major United States Army formation that played a key role in the European Theater of World War II, particularly in the Allied invasion and liberation of Southern France and subsequent campaigns in Western Europe.
- 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: Tenth United States Army Target entity description: The Tenth United States Army was a major U.S. field army formed in World War II that led the American land forces during the Battle of Okinawa in the Pacific Theater.
-
A.
Fifteenth United States Army
The Fifteenth United States Army was a U.S. Army field army formed in World War II that primarily oversaw occupation, training, and historical documentation duties in the European Theater.
-
B.
United States Eighth Army
The United States Eighth Army is a field army of the U.S. Army best known for its major combat role in the Korean War and its longstanding presence as a key component of American forces in East Asia.
-
C.
U.S. Fifth Army
The U.S. Fifth Army was a major American field army in World War II, best known for leading Allied ground operations in the Italian Campaign.
-
D.
Eighth Army
The Eighth Army was a major British-led field army of the Second World War, best known for its pivotal role in the North African campaign, including the victory at El Alamein.
-
E.
U.S. Seventh Army
The U.S. Seventh Army is a major United States Army formation that played a key role in the European Theater of World War II, particularly in the Allied invasion and liberation of Southern France and subsequent campaigns in Western Europe.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
United States Army formation
ⓘ
field army ⓘ |
| alliance |
Allies of World War II
ⓘ
surface form:
Allied Powers
|
| branch | United States Army ⓘ |
| campaign | Ryukyu Islands campaign ⓘ |
| casualtyEvent | death of its commanding general Simon Bolivar Buckner Jr. in combat on Okinawa ⓘ |
| commander |
Joseph W. Stilwell
ⓘ
surface form:
Lieutenant General Joseph W. Stilwell
Simon Bolivar Buckner Jr. ⓘ
surface form:
Lieutenant General Simon Bolivar Buckner Jr.
|
| commandStructure | under overall command of U.S. Pacific forces ⓘ |
| conflict | World War II ⓘ |
| country | United States of America ⓘ |
| dateDisbanded | 1945 ⓘ |
| dateFormed | 1944 ⓘ |
| disbandedAfter | completion of Okinawa campaign ⓘ |
| era |
World War II
ⓘ
surface form:
World War II era
|
| formedInWar | World War II ⓘ |
| garrison |
Pacific Theater of Operations
ⓘ
surface form:
Pacific Theater
|
| headquartersLocationDuringOkinawa |
Okinawa Island
ⓘ
surface form:
Okinawa
|
| higherCommand |
Tenth United States Army
self-linksurface differs
ⓘ
surface form:
United States Tenth Army Group (Pacific) (operational control under U.S. Tenth Army command structure in Okinawa campaign)
|
| includedForces |
U.S. Army units
ⓘ
U.S. Marine Corps units ⓘ |
| mission | conduct amphibious assault and ground campaign to capture Okinawa ⓘ |
| nickname | Tenth Army ⓘ |
| notableBattle | Battle of Okinawa ⓘ |
| notableEngagement | defense against Japanese kamikaze-supported counterattacks on Okinawa ⓘ |
| notableFact | was the only U.S. field army in World War II whose commanding general was killed in action ⓘ |
| notableSubordinateFormation |
1st Marine Division (United States)
ⓘ
27th Infantry Division (United States) ⓘ 2nd Marine Division ⓘ
surface form:
2nd Marine Division (United States)
6th Marine Division (United States) ⓘ 77th Infantry Division (United States) ⓘ 7th Infantry Division (United States) ⓘ 96th Infantry Division (United States) ⓘ |
| objective | secure Okinawa as a base for operations against the Japanese home islands ⓘ |
| operationEndDate | June 1945 ⓘ |
| operationStartDate | April 1 1945 ⓘ |
| partOf | United States Army ⓘ |
| precededBy | no direct predecessor field army (formed specifically for Pacific operations) ⓘ |
| primaryEnemy |
Imperial Japanese Army
ⓘ
Imperial Japanese Navy ⓘ
surface form:
Imperial Japanese Navy land forces
|
| primaryOperation |
Battle of Okinawa
ⓘ
surface form:
Invasion of Okinawa
|
| roleInBattle | led American land forces during the Battle of Okinawa ⓘ |
| serviceBranchType | combined Army and Marine Corps ground force headquarters ⓘ |
| status | disbanded ⓘ |
| subordinateUnit |
III Amphibious Corps
ⓘ
XXIV Corps ⓘ |
| theater | Pacific Theater of Operations ⓘ |
| type | combined-arms field army ⓘ |
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: Tenth United States Army Description of subject: The Tenth United States Army was a major U.S. field army formed in World War II that led the American land forces during the Battle of Okinawa in the Pacific Theater.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
U.S. Tenth Army
this entity surface form:
United States Tenth Army Group (Pacific) (operational control under U.S. Tenth Army command structure in Okinawa campaign)