1st U.S. Cavalry Regiment
E786660
The 1st U.S. Cavalry Regiment is a historic United States Army cavalry unit that has served in numerous conflicts since the 19th century, including the Spanish–American War.
All labels observed (3)
| Label | Occurrences |
|---|---|
| 1st U.S. Cavalry Regiment canonical | 2 |
| U.S. 1st Cavalry Regiment | 2 |
| 1st Cavalry Regiment (United States) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9211861 — 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: 1st U.S. Cavalry Regiment Context triple: [Battle of Las Guasimas, involvesUnit, 1st U.S. Cavalry Regiment]
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A.
2nd U.S. Cavalry
The 2nd U.S. Cavalry was a pre–Civil War Regular Army regiment that served on the American frontier and later fought for the Union in the American Civil War.
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B.
7th Cavalry Regiment
The 7th Cavalry Regiment is a historic U.S. Army unit best known for its prominent roles in the Indian Wars, including the Battle of the Little Bighorn, and later in major conflicts such as the Vietnam War.
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C.
3rd Cavalry Regiment
The 3rd Cavalry Regiment is a historic U.S. Army armored cavalry unit known for its reconnaissance and security missions in major conflicts from the 19th century through the wars in Iraq and Afghanistan.
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D.
10th U.S. Cavalry Regiment
The 10th U.S. Cavalry Regiment was one of the original African American "Buffalo Soldier" units in the U.S. Army, noted for its distinguished service in the Indian Wars and the Spanish–American War.
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E.
1st Squadron, 3rd Cavalry Regiment
The 1st Squadron, 3rd Cavalry Regiment is a battalion-sized cavalry unit of the United States Army that serves as one of the primary maneuver elements of the historic 3rd Cavalry Regiment.
- 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: 1st U.S. Cavalry Regiment Target entity description: The 1st U.S. Cavalry Regiment is a historic United States Army cavalry unit that has served in numerous conflicts since the 19th century, including the Spanish–American War.
-
A.
2nd U.S. Cavalry
The 2nd U.S. Cavalry was a pre–Civil War Regular Army regiment that served on the American frontier and later fought for the Union in the American Civil War.
-
B.
7th Cavalry Regiment
The 7th Cavalry Regiment is a historic U.S. Army unit best known for its prominent roles in the Indian Wars, including the Battle of the Little Bighorn, and later in major conflicts such as the Vietnam War.
-
C.
3rd Cavalry Regiment
The 3rd Cavalry Regiment is a historic U.S. Army armored cavalry unit known for its reconnaissance and security missions in major conflicts from the 19th century through the wars in Iraq and Afghanistan.
-
D.
10th U.S. Cavalry Regiment
The 10th U.S. Cavalry Regiment was one of the original African American "Buffalo Soldier" units in the U.S. Army, noted for its distinguished service in the Indian Wars and the Spanish–American War.
-
E.
1st Squadron, 3rd Cavalry Regiment
The 1st Squadron, 3rd Cavalry Regiment is a battalion-sized cavalry unit of the United States Army that serves as one of the primary maneuver elements of the historic 3rd Cavalry Regiment.
- F. None of above. chosen
Statements (48)
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: 1st U.S. Cavalry Regiment Description of subject: The 1st U.S. Cavalry Regiment is a historic United States Army cavalry unit that has served in numerous conflicts since the 19th century, including the Spanish–American War.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: 1st U.S. Cavalry Regiment
subject linked to:
Camp Harry J. Jones, Arizona
linked to: 1st U.S. Cavalry Regiment
linked to: 1st U.S. Cavalry Regiment