Last Spike site monument
E721093
The Last Spike site monument is a commemorative marker at Golden Spike National Historical Park that marks the location where the transcontinental railroad was ceremonially completed in 1869.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Last Spike site monument canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T8255303 — 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: Last Spike site monument Context triple: [Golden Spike National Historical Park, hasLandmark, Last Spike site monument]
-
A.
Pioneer Monument
Pioneer Monument is a historic memorial near Donner Lake in California commemorating the ill-fated Donner Party and early western pioneers.
-
B.
Wounded Knee Monument
The Wounded Knee Monument is a memorial site on the Pine Ridge Indian Reservation in South Dakota that commemorates the Lakota victims of the 1890 Wounded Knee Massacre and stands as a symbol of Native American suffering and resilience.
-
C.
This Is the Place Monument
This Is the Place Monument is a historic landmark in Salt Lake City, Utah, commemorating the arrival and settlement of Mormon pioneers in the Salt Lake Valley.
-
D.
High Point Monument
High Point Monument is a tall granite obelisk in New Jersey that marks the state’s highest elevation and serves as a prominent war memorial and scenic lookout.
-
E.
Soldiers' National Monument
Soldiers' National Monument is the central memorial at Gettysburg’s Soldiers' National Cemetery, commemorating Union soldiers who died in the Battle of Gettysburg during the American Civil War.
- 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: Last Spike site monument Target entity description: The Last Spike site monument is a commemorative marker at Golden Spike National Historical Park that marks the location where the transcontinental railroad was ceremonially completed in 1869.
-
A.
Pioneer Monument
Pioneer Monument is a historic memorial near Donner Lake in California commemorating the ill-fated Donner Party and early western pioneers.
-
B.
Wounded Knee Monument
The Wounded Knee Monument is a memorial site on the Pine Ridge Indian Reservation in South Dakota that commemorates the Lakota victims of the 1890 Wounded Knee Massacre and stands as a symbol of Native American suffering and resilience.
-
C.
This Is the Place Monument
This Is the Place Monument is a historic landmark in Salt Lake City, Utah, commemorating the arrival and settlement of Mormon pioneers in the Salt Lake Valley.
-
D.
High Point Monument
High Point Monument is a tall granite obelisk in New Jersey that marks the state’s highest elevation and serves as a prominent war memorial and scenic lookout.
-
E.
Soldiers' National Monument
Soldiers' National Monument is the central memorial at Gettysburg’s Soldiers' National Cemetery, commemorating Union soldiers who died in the Battle of Gettysburg during the American Civil War.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
commemorative monument
ⓘ
historic site ⓘ railroad landmark ⓘ |
| associatedWith |
Central Pacific Railroad
NERFINISHED
ⓘ
Golden Spike National Historical Park visitor experience ⓘ Union Pacific Railroad NERFINISHED ⓘ |
| category |
Historic sites in Box Elder County, Utah
ⓘ
Monuments and memorials in Utah ⓘ Rail transport monuments and memorials ⓘ |
| commemorates |
Golden Spike ceremony
ⓘ
joining of the Union Pacific Railroad and Central Pacific Railroad ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| hasHeritageDesignation | part of Golden Spike National Historical Park ⓘ |
| hasPlaqueText | text describing completion of the transcontinental railroad in 1869 ⓘ |
| hasView | reconstructed railroad grade at Promontory Summit ⓘ |
| heritageDesignationBy | National Park Service NERFINISHED ⓘ |
| inception | 20th century ⓘ |
| locatedIn |
Box Elder County, Utah
NERFINISHED
ⓘ
Golden Spike National Historical Park NERFINISHED ⓘ United States of America ⓘ
surface form:
United States
Utah ⓘ |
| locatedNear | Promontory Summit NERFINISHED ⓘ |
| locatedOn | former Promontory Summit rail alignment ⓘ |
| marksEvent |
ceremonial driving of the last spike
ⓘ
completion of the First Transcontinental Railroad ⓘ |
| material |
metal plaque
ⓘ
stone ⓘ |
| partOf | Golden Spike National Historical Park interpretive exhibits ⓘ |
| significantDate | 10 May 1869 ⓘ |
| touristAttraction | yes ⓘ |
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: Last Spike site monument Description of subject: The Last Spike site monument is a commemorative marker at Golden Spike National Historical Park that marks the location where the transcontinental railroad was ceremonially completed in 1869.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.