US XXI Corps
E425226
US XXI Corps was a United States Army corps-level formation in World War II that played a key role in Allied operations in Western Europe, particularly during the final campaigns against German forces.
All labels observed (1)
| Label | Occurrences |
|---|---|
| US XXI Corps canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4217416 — 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: US XXI Corps Context triple: [Colmar Pocket, attackedBy, US XXI Corps]
-
A.
U.S. XX Corps
The U.S. XX Corps was a World War II United States Army corps that played a key role in General Patton’s Third Army operations across Western Europe, including major advances through France and into Germany.
-
B.
U.S. XV Corps
The U.S. XV Corps was a World War II field corps of the United States Army that played a key role in the Allied campaigns in Western Europe, including operations in France and Germany.
-
C.
British IV Corps
British IV Corps was a major formation of the British Indian Army in World War II, noted for its key role in the Burma Campaign against Japanese forces.
-
D.
U.S. XII Corps
The U.S. XII Corps was a World War II field corps of the United States Army that played a key role in the European Theater, including major operations across France, Luxembourg, and Germany.
-
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: US XXI Corps Target entity description: US XXI Corps was a United States Army corps-level formation in World War II that played a key role in Allied operations in Western Europe, particularly during the final campaigns against German forces.
-
A.
U.S. XX Corps
The U.S. XX Corps was a World War II United States Army corps that played a key role in General Patton’s Third Army operations across Western Europe, including major advances through France and into Germany.
-
B.
U.S. XV Corps
The U.S. XV Corps was a World War II field corps of the United States Army that played a key role in the Allied campaigns in Western Europe, including operations in France and Germany.
-
C.
British IV Corps
British IV Corps was a major formation of the British Indian Army in World War II, noted for its key role in the Burma Campaign against Japanese forces.
-
D.
U.S. XII Corps
The U.S. XII Corps was a World War II field corps of the United States Army that played a key role in the European Theater, including major operations across France, Luxembourg, and Germany.
-
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 (26)
| Predicate | Object |
|---|---|
| instanceOf |
United States Army corps
ⓘ
corps ⓘ |
| activity | offensive ground operations ⓘ |
| allegiance |
Allied Powers
ⓘ
linked to:
Allied Powers of World War I
|
| branch | United States Army ⓘ |
| campaign | Final campaigns against German forces in Western Europe ⓘ |
| commandStructure | United States Army ground forces in Europe ⓘ |
| conflict | World War II ⓘ |
| country | United States of America ⓘ |
| engagement | operations during the closing phase of World War II in Europe ⓘ |
| era | 20th century ⓘ |
| front | Western Front ⓘ |
| geographicAreaOfOperations | Western Europe ⓘ |
| higherCommand |
Sixth United States Army Group
ⓘ
linked to:
U.S. 6th Army Group
|
| militaryBranchType | land forces ⓘ |
| notableCommander | Frank W. Milburn ⓘ |
| notableFor | participation in the final defeat of German forces in Western Europe ⓘ |
| operation | Allied operations in Western Europe ⓘ |
| opponent | Nazi Germany ⓘ |
| partOf |
Seventh United States Army
ⓘ
linked to:
U.S. Seventh Army
|
| primaryEnemyForces | German Army ⓘ |
| role | corps-level combat formation ⓘ |
| side | Allies of World War II ⓘ |
| status | disbanded ⓘ |
| theater | European Theater of Operations ⓘ |
| type | field corps ⓘ |
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: US XXI Corps Description of subject: US XXI Corps was a United States Army corps-level formation in World War II that played a key role in Allied operations in Western Europe, particularly during the final campaigns against German forces.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.