Custer Expedition of 1874
E837741
The Custer Expedition of 1874 was a U.S. Army reconnaissance mission led by Lt. Col. George Armstrong Custer into the Black Hills that publicized the region’s gold deposits and helped trigger the Black Hills Gold Rush.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Custer Expedition of 1874 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10048165 — 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: Custer Expedition of 1874 Context triple: [Black Hills Gold Rush, significantEvent, Custer Expedition of 1874]
-
A.
Washburn–Langford–Doane Expedition
The Washburn–Langford–Doane Expedition was an 1870 exploratory survey of the Yellowstone region whose reports helped lead to the creation of Yellowstone National Park.
-
B.
Powder River Expedition
The Powder River Expedition was an 1865 U.S. Army campaign against Plains tribes in present-day Wyoming and Montana, aimed at securing overland travel routes and asserting federal control in the northern Great Plains.
-
C.
McClure expedition
The McClure expedition was a mid-19th-century British Arctic voyage led by Robert McClure that is credited with the first traversal of the Northwest Passage, albeit partly by sledge over ice.
-
D.
Red River Expedition
The Red River Expedition was a Canadian military campaign in 1870 sent to the Red River Colony (in present-day Manitoba) to assert federal authority and respond to Louis Riel’s provisional government during the Red River Rebellion.
-
E.
Lewis and Clark Expedition
The Lewis and Clark Expedition was an early 19th-century American exploratory journey that mapped and studied the newly acquired western territories, establishing routes and relations that greatly expanded U.S. geographic and scientific knowledge.
- 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: Custer Expedition of 1874 Target entity description: The Custer Expedition of 1874 was a U.S. Army reconnaissance mission led by Lt. Col. George Armstrong Custer into the Black Hills that publicized the region’s gold deposits and helped trigger the Black Hills Gold Rush.
-
A.
Washburn–Langford–Doane Expedition
The Washburn–Langford–Doane Expedition was an 1870 exploratory survey of the Yellowstone region whose reports helped lead to the creation of Yellowstone National Park.
-
B.
Powder River Expedition
The Powder River Expedition was an 1865 U.S. Army campaign against Plains tribes in present-day Wyoming and Montana, aimed at securing overland travel routes and asserting federal control in the northern Great Plains.
-
C.
McClure expedition
The McClure expedition was a mid-19th-century British Arctic voyage led by Robert McClure that is credited with the first traversal of the Northwest Passage, albeit partly by sledge over ice.
-
D.
Red River Expedition
The Red River Expedition was a Canadian military campaign in 1870 sent to the Red River Colony (in present-day Manitoba) to assert federal authority and respond to Louis Riel’s provisional government during the Red River Rebellion.
-
E.
Lewis and Clark Expedition
The Lewis and Clark Expedition was an early 19th-century American exploratory journey that mapped and studied the newly acquired western territories, establishing routes and relations that greatly expanded U.S. geographic and scientific knowledge.
- F. None of above. chosen
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
military expedition
ⓘ
reconnaissance mission ⓘ |
| affectedGroup |
Arapaho
NERFINISHED
ⓘ
Lakota Sioux NERFINISHED ⓘ Northern Cheyenne NERFINISHED ⓘ |
| alsoKnownAs |
Black Hills Expedition of 1874
NERFINISHED
ⓘ
Custer’s Black Hills Expedition NERFINISHED ⓘ |
| approximateStrength | 1000 men ⓘ |
| authorizedBy | United States Army high command NERFINISHED ⓘ |
| baseOfDeparture | Fort Abraham Lincoln NERFINISHED ⓘ |
| commanderRank | Lieutenant Colonel ⓘ |
| consequence |
heightened tensions between the United States and the Lakota
ⓘ
increased pressure to open the Black Hills to mining ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| discovered | gold in the Black Hills ⓘ |
| documentedBy |
newspaper accounts
ⓘ
official military reports ⓘ photographic images ⓘ |
| endDate | 1874-08-30 ⓘ |
| historicalContext |
Great Sioux Reservation era
NERFINISHED
ⓘ
prelude to the Great Sioux War of 1876 ⓘ |
| includedElement |
artillery detachment
ⓘ
cavalry troops ⓘ civilian guides ⓘ engineers ⓘ infantry detachment ⓘ newspaper correspondents ⓘ photographers ⓘ scientific personnel ⓘ teamsters ⓘ |
| leader | George Armstrong Custer NERFINISHED ⓘ |
| legalStatus | unauthorized entry into treaty-protected Indian territory ⓘ |
| location |
Black Hills
NERFINISHED
ⓘ
Dakota Territory NERFINISHED ⓘ |
| notableParticipant |
Cyrus E. Wood
NERFINISHED
ⓘ
Newton H. Winchell NERFINISHED ⓘ William H. Illingworth NERFINISHED ⓘ William Ludlow NERFINISHED ⓘ |
| operator | United States Army ⓘ |
| presentDayLocation | South Dakota NERFINISHED ⓘ |
| purpose |
assessment of military sites
ⓘ
evaluation of natural resources ⓘ reconnaissance of the Black Hills ⓘ search for potential gold deposits ⓘ |
| reportedTo | Department of Dakota NERFINISHED ⓘ |
| result |
helped trigger the Black Hills Gold Rush
ⓘ
increased white encroachment on Lakota lands ⓘ publicized gold in the Black Hills ⓘ |
| route | from Fort Abraham Lincoln into the Black Hills ⓘ |
| startDate | 1874-07-02 ⓘ |
| unitInvolved | 7th Cavalry Regiment NERFINISHED ⓘ |
| violatedTreaty | Treaty of Fort Laramie (1868) NERFINISHED ⓘ |
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: Custer Expedition of 1874 Description of subject: The Custer Expedition of 1874 was a U.S. Army reconnaissance mission led by Lt. Col. George Armstrong Custer into the Black Hills that publicized the region’s gold deposits and helped trigger the Black Hills Gold Rush.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.