40th Infantry Regiment
E485506
The 40th Infantry Regiment was a unit of African American "Buffalo Soldiers" in the United States Army, known for its service during the post–Civil War and Indian Wars era.
All labels observed (2)
| Label | Occurrences |
|---|---|
| 40th Infantry Regiment canonical | 1 |
| 40th Infantry Regiment (United States, 1866) | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4864647 — 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: 40th Infantry Regiment Context triple: [Buffalo Soldiers, hasUnit, 40th Infantry Regiment]
-
A.
39th Infantry Regiment
The 39th Infantry Regiment is a historic U.S. Army unit associated with the African American "Buffalo Soldiers," known for its service in multiple major conflicts.
-
B.
24th U.S. Infantry Regiment
The 24th U.S. Infantry Regiment was a historic African American (Buffalo Soldier) unit of the United States Army that served with distinction in conflicts from the Spanish–American War through the mid-20th century.
-
C.
25th Infantry Regiment
The 25th Infantry Regiment was a historic African American unit of the United States Army, renowned for its service on the Western frontier and in later conflicts as part of the Buffalo Soldiers.
-
D.
38th Infantry Regiment
The 38th Infantry Regiment was a historic African American "Buffalo Soldier" unit of the United States Army that served prominently in the post–Civil War Indian Wars and later conflicts.
-
E.
57th Infantry Regiment
The 57th Infantry Regiment was a renowned Ottoman military unit that fought with distinction during World War I, particularly in the Gallipoli Campaign.
- 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: 40th Infantry Regiment Target entity description: The 40th Infantry Regiment was a unit of African American "Buffalo Soldiers" in the United States Army, known for its service during the post–Civil War and Indian Wars era.
-
A.
39th Infantry Regiment
The 39th Infantry Regiment is a historic U.S. Army unit associated with the African American "Buffalo Soldiers," known for its service in multiple major conflicts.
-
B.
24th U.S. Infantry Regiment
The 24th U.S. Infantry Regiment was a historic African American (Buffalo Soldier) unit of the United States Army that served with distinction in conflicts from the Spanish–American War through the mid-20th century.
-
C.
25th Infantry Regiment
The 25th Infantry Regiment was a historic African American unit of the United States Army, renowned for its service on the Western frontier and in later conflicts as part of the Buffalo Soldiers.
-
D.
38th Infantry Regiment
The 38th Infantry Regiment was a historic African American "Buffalo Soldier" unit of the United States Army that served prominently in the post–Civil War Indian Wars and later conflicts.
-
E.
57th Infantry Regiment
The 57th Infantry Regiment was a renowned Ottoman military unit that fought with distinction during World War I, particularly in the Gallipoli Campaign.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
African American military unit
ⓘ
Buffalo Soldier unit ⓘ United States Army regiment ⓘ |
| allegiance | Union ⓘ |
| associatedWith | United States Colored Troops tradition ⓘ |
| branch | United States Army ⓘ |
| compositionPolicy | Black enlisted men with white officers ⓘ |
| conflict |
Indian Wars
ⓘ
linked to:
United States–Native American wars
|
| country | United States of America ⓘ |
| duty |
frontier defense
ⓘ
guarding supply routes ⓘ participation in campaigns against Native American groups ⓘ patrol and escort missions ⓘ protection of settlers ⓘ |
| era | Post–Civil War era ⓘ |
| ethnicComposition | African American soldiers ⓘ |
| garrisonRegion |
American West
ⓘ
linked to:
Old West
frontier posts ⓘ |
| historicalContext |
U.S. policy of segregated Black regiments
ⓘ
post–American Civil War U.S. Army expansion ⓘ |
| historicalSignificance |
example of African American participation in westward expansion
ⓘ
illustration of post–Civil War racial policies in the U.S. Army ⓘ |
| legacy | part of the broader Buffalo Soldiers heritage ⓘ |
| militaryBranchType | land forces ⓘ |
| militaryFunction | ground combat operations ⓘ |
| militaryRole | infantry ⓘ |
| nickname | Buffalo Soldiers ⓘ |
| notableFor |
African American enlisted ranks under white officers
ⓘ
participation in Indian Wars campaigns ⓘ service on the American western frontier ⓘ |
| operatedIn |
North America
ⓘ
United States frontier territories ⓘ
linked to:
Western Territory of the United States
|
| organizationalLevel | regiment ⓘ |
| partOf | United States Army colored regiments ⓘ |
| racePolicyContext | segregated unit ⓘ |
| raceSegregationStatus | racially segregated unit ⓘ |
| recognizedAs | symbol of African American military service in the 19th century ⓘ |
| servedIn |
United States Army Indian Wars campaigns
ⓘ
linked to:
United States–Native American wars
|
| serviceStatus | disbanded ⓘ |
| serviceType | Regular Army ⓘ |
| timePeriod | Reconstruction era ⓘ |
| typeOfUnit | line infantry regiment ⓘ |
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: 40th Infantry Regiment Description of subject: The 40th Infantry Regiment was a unit of African American "Buffalo Soldiers" in the United States Army, known for its service during the post–Civil War and Indian Wars era.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: 40th Infantry Regiment