Promontory Summit, Utah Territory
E38257
Promontory Summit, in the former Utah Territory, is the historic site where the First Transcontinental Railroad was completed in 1869 with the driving of the Golden Spike.
All labels observed (4)
| Label | Occurrences |
|---|---|
| Promontory Summit, Utah Territory canonical | 8 |
| Promontory Summit | 4 |
| Promontory, Utah | 3 |
| Promontory Summit, Utah | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T298317 — 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: Promontory Summit, Utah Territory Context triple: [Central Pacific Railroad historic route, terminus, Promontory Summit, Utah Territory]
-
A.
Great Basin National Park
Great Basin National Park is a remote U.S. national park in eastern Nevada known for its ancient bristlecone pines, Lehman Caves, and the towering Wheeler Peak.
-
B.
Grand Staircase
The Grand Staircase is an ornate central staircase within the Massachusetts State House, known for its impressive architecture and ceremonial significance.
-
C.
Zion National Park
Zion National Park is a renowned national park in southwestern Utah known for its towering sandstone cliffs, narrow slot canyons, and scenic hiking trails like Angels Landing and The Narrows.
-
D.
Comstock Lode area
The Comstock Lode area is a historically significant mining district in Nevada famed for its rich silver ore deposits that spurred a major 19th-century mining boom and helped drive U.S. economic growth.
-
E.
Mount Jefferson
Mount Jefferson is a prominent stratovolcano in the Cascade Range of Oregon, known for its rugged summit and extensive glaciation.
- 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: Promontory Summit, Utah Territory Target entity description: Promontory Summit, in the former Utah Territory, is the historic site where the First Transcontinental Railroad was completed in 1869 with the driving of the Golden Spike.
-
A.
Great Basin National Park
Great Basin National Park is a remote U.S. national park in eastern Nevada known for its ancient bristlecone pines, Lehman Caves, and the towering Wheeler Peak.
-
B.
Grand Staircase
The Grand Staircase is an ornate central staircase within the Massachusetts State House, known for its impressive architecture and ceremonial significance.
-
C.
Zion National Park
Zion National Park is a renowned national park in southwestern Utah known for its towering sandstone cliffs, narrow slot canyons, and scenic hiking trails like Angels Landing and The Narrows.
-
D.
Comstock Lode area
The Comstock Lode area is a historically significant mining district in Nevada famed for its rich silver ore deposits that spurred a major 19th-century mining boom and helped drive U.S. economic growth.
-
E.
Mount Jefferson
Mount Jefferson is a prominent stratovolcano in the Cascade Range of Oregon, known for its rugged summit and extensive glaciation.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
historic site
ⓘ
railroad landmark ⓘ |
| associatedWithEvent | joining of the Union Pacific and Central Pacific rail lines ⓘ |
| associatedWithLocomotive |
Central Pacific Railroad
ⓘ
surface form:
Central Pacific Jupiter
Union Pacific No. 119 ⓘ |
| associatedWithOrganization |
Central Pacific Railroad
ⓘ
surface form:
Central Pacific Railroad Company
Union Pacific Railroad ⓘ
surface form:
Union Pacific Railroad Company
|
| associatedWithPerson |
Grenville M. Dodge
ⓘ
Leland Stanford ⓘ Samuel S. Montague ⓘ Thomas Durant ⓘ
surface form:
Thomas C. Durant
|
| associatedWithTechnology | steam locomotives ⓘ |
| category |
First Transcontinental Railroad
ⓘ
surface form:
First Transcontinental Railroad in the United States
Historic sites in Utah ⓘ Rail transportation in Utah ⓘ |
| commemoratedBy | Golden Spike National Historical Park ⓘ |
| coordinateSystem | geographic coordinates ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| dateOfSignificantEvent | 1869-05-10 ⓘ |
| elevationApprox |
1494 meters
ⓘ
4900 feet ⓘ |
| eventTypeAtLocation | golden spike ceremony ⓘ |
| formerlyDesignatedAs |
Golden Spike National Historical Park
ⓘ
surface form:
Golden Spike National Historic Site
|
| hasCommemoration | annual reenactment of the Golden Spike ceremony ⓘ |
| hasInterpretiveCenter | visitor center at Golden Spike National Historical Park ⓘ |
| hasMonument | monument marking the Golden Spike site ⓘ |
| hasReplicaFeature | replica steam locomotives ⓘ |
| hasSymbolicObject |
Golden Spike ceremony
ⓘ
surface form:
Golden Spike
|
| heritageDesignation |
National Historic Landmark
ⓘ
National Register of Historic Places ⓘ
surface form:
National Register of Historic Places listing
|
| historicalEra |
19th century
ⓘ
Old West ⓘ
surface form:
American Old West
|
| impact |
accelerated settlement of the American West
ⓘ
facilitated transcontinental travel and commerce ⓘ linked the eastern and western United States by rail ⓘ |
| locatedIn |
Box Elder County, Utah
ⓘ
Utah ⓘ
surface form:
Utah Territory
|
| locatedInPresentDay | Utah ⓘ |
| locatedNear | Great Salt Lake ⓘ |
| locatedOnLandform | Promontory Mountains ⓘ |
| NRHPType | historic site ⓘ |
| partOf | First Transcontinental Railroad ⓘ |
| railLineStatusAfterward | later bypassed by a shorter Lucin Cutoff route ⓘ |
| railroadMet |
Central Pacific Railroad
ⓘ
Union Pacific Railroad ⓘ |
| significantEvent |
completion of the First Transcontinental Railroad
ⓘ
First Transcontinental Railroad ⓘ
surface form:
driving of the Golden Spike
|
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: Promontory Summit, Utah Territory Description of subject: Promontory Summit, in the former Utah Territory, is the historic site where the First Transcontinental Railroad was completed in 1869 with the driving of the Golden Spike.
Referenced by (16)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Promontory, Utah
this entity surface form:
Promontory Summit, Utah
subject surface form:
Golden Spike Ceremony
subject surface form:
Golden Spike Ceremony
this entity surface form:
Promontory Summit
this entity surface form:
Promontory Summit
this entity surface form:
Promontory, Utah
this entity surface form:
Promontory Summit
subject surface form:
Golden Spike National Historical Park
this entity surface form:
Promontory Summit
this entity surface form:
Promontory, Utah