Trinity test site, New Mexico
E2713
Trinity test site, New Mexico is the location in the Jornada del Muerto desert where the world’s first nuclear bomb was detonated on July 16, 1945.
All labels observed (11)
How this entity was disambiguated
This entity first appeared as the object of triple T17950 — 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: Trinity test site, New Mexico Context triple: [Manhattan Project, site, Trinity test site, New Mexico]
-
A.
Los Alamos, New Mexico
Los Alamos, New Mexico is a small town in northern New Mexico best known as the birthplace of the atomic bomb and a historic center of U.S. nuclear research.
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B.
Hanford Site, Washington
Hanford Site, Washington is a large decommissioned nuclear production complex along the Columbia River that was central to U.S. plutonium production during and after World War II and is now one of the nation’s most challenging environmental cleanup sites.
-
C.
Manhattan Project
The Manhattan Project was the secret U.S.-led World War II research and development program that produced the first nuclear weapons.
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D.
Los Alamos Laboratory
Los Alamos Laboratory was the secret U.S. research facility in New Mexico where the Manhattan Project developed the first atomic bombs during World War II.
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E.
Edwards Air Force Base
Edwards Air Force Base is a major U.S. Air Force installation in Southern California known as a primary site for flight testing, aerospace research, and historic aviation milestones.
- 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: Trinity test site, New Mexico Target entity description: Trinity test site, New Mexico is the location in the Jornada del Muerto desert where the world’s first nuclear bomb was detonated on July 16, 1945.
-
A.
Los Alamos, New Mexico
Los Alamos, New Mexico is a small town in northern New Mexico best known as the birthplace of the atomic bomb and a historic center of U.S. nuclear research.
-
B.
Hanford Site, Washington
Hanford Site, Washington is a large decommissioned nuclear production complex along the Columbia River that was central to U.S. plutonium production during and after World War II and is now one of the nation’s most challenging environmental cleanup sites.
-
C.
Manhattan Project
The Manhattan Project was the secret U.S.-led World War II research and development program that produced the first nuclear weapons.
-
D.
Los Alamos Laboratory
Los Alamos Laboratory was the secret U.S. research facility in New Mexico where the Manhattan Project developed the first atomic bombs during World War II.
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E.
Edwards Air Force Base
Edwards Air Force Base is a major U.S. Air Force installation in Southern California known as a primary site for flight testing, aerospace research, and historic aviation milestones.
- F. None of above. chosen
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
historic site
ⓘ
landmark in the United States ⓘ nuclear test site ⓘ |
| associatedWith |
Leslie R. Groves Jr.
ⓘ
surface form:
General Leslie Groves
J. Robert Oppenheimer ⓘ Manhattan Engineer District of the U.S. Army Corps of Engineers ⓘ
surface form:
Manhattan Engineer District
|
| category |
Manhattan Project sites
ⓘ
National Historic Landmarks in New Mexico ⓘ Nuclear weapons testing sites of the United States ⓘ |
| coordinateLatitude | 33.677° N ⓘ |
| coordinateLongitude | 106.475° W ⓘ |
| country | United States of America ⓘ |
| currentStatus | controlled area within White Sands Missile Range ⓘ |
| dateOfEvent | 1945-07-16 ⓘ |
| designation | National Historic Landmark ⓘ |
| distanceFromAlamogordo | about 35 miles southeast of Socorro ⓘ |
| distanceFromSocorro | about 35 miles southeast of Socorro ⓘ |
| environment | desert ⓘ |
| explosionAltitude | detonation atop a steel tower ⓘ |
| firstOf | world’s first detonation of a nuclear weapon ⓘ |
| impact |
beginning of the nuclear age
ⓘ
demonstration of feasibility of plutonium implosion design used in Fat Man bomb ⓘ |
| locatedIn |
Jornada del Muerto desert
ⓘ
New Mexico ⓘ Socorro County, New Mexico ⓘ White Sands Missile Range ⓘ |
| managedBy | United States Army ⓘ |
| materialMelted | sand ⓘ |
| memorial | obelisk marking ground zero ⓘ |
| nearbySettlement | San Antonio, New Mexico ⓘ |
| notableEvent |
Trinity test device
ⓘ
surface form:
Trinity nuclear test
|
| openToPublic | twice a year (typically) for public visits ⓘ |
| operatorAtTimeOfTest |
Los Alamos Laboratory
ⓘ
United States Army ⓘ |
| partOf | Manhattan Project ⓘ |
| publicAccess | limited, by guided tours or open houses ⓘ |
| radiologicalLegacy | residual contamination and trinitite fragments on site ⓘ |
| relatedEvent | atomic bombings of Hiroshima and Nagasaki ⓘ |
| resultOfExplosion | formation of trinitite glass ⓘ |
| safetyMeasuresAtTime | bunkers and observation posts at several miles distance ⓘ |
| subsequentUse | further nuclear weapons–related research activities ⓘ |
| testCodename | Trinity ⓘ |
| testTowerHeight | about 100 feet ⓘ |
| timeOfEvent | 05:29:21 local time ⓘ |
| weaponNickname | The Gadget ⓘ |
| weaponTypeTested | plutonium implosion-type nuclear bomb ⓘ |
| yearOfNationalHistoricLandmarkDesignation | 1975 ⓘ |
| yieldOfTest | about 21 kilotons of TNT ⓘ |
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: Trinity test site, New Mexico Description of subject: Trinity test site, New Mexico is the location in the Jornada del Muerto desert where the world’s first nuclear bomb was detonated on July 16, 1945.
Referenced by (20)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Trinity test
this entity surface form:
Alamogordo Bombing and Gunnery Range, New Mexico
Manhattan Engineer District of the U.S. Army Corps of Engineers
→
notableEvent
→
Trinity test site, New Mexico
ⓘ
subject surface form:
Manhattan Engineer District
this entity surface form:
Trinity nuclear test
Manhattan Engineer District of the U.S. Army Corps of Engineers
→
testSite
→
Trinity test site, New Mexico
ⓘ
subject surface form:
Manhattan Engineer District
this entity surface form:
Trinity Site, New Mexico
this entity surface form:
Trinity nuclear test
subject surface form:
Manhattan Engineer District
this entity surface form:
Trinity test site
this entity surface form:
Trinity test site
this entity surface form:
Trinity test site
this entity surface form:
Trinity Site
this entity surface form:
Trinity nuclear test, 16 July 1945
this entity surface form:
Trinity Site National Historic Landmark
this entity surface form:
Trinity test site, Alamogordo Bombing and Gunnery Range
this entity surface form:
Trinity nuclear test site
this entity surface form:
Trinity Site
this entity surface form:
Trinity nuclear test site
this entity surface form:
Trinity nuclear test site
this entity surface form:
Trinity test site
this entity surface form:
Trinity nuclear test site
subject surface form:
Jornada del Muerto
this entity surface form:
Trinity nuclear test site