Trinity test site, New Mexico

E2713

historic site landmark in the United States nuclear test site

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.

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All labels observed (11)

Label	Occurrences
Trinity nuclear test site	5
Trinity test site	4
Trinity Site	2
Trinity nuclear test	2
Alamogordo Bombing and Gunnery Range, New Mexico	1
Trinity Site National Historic Landmark	1
Trinity Site, New Mexico	1
Trinity nuclear test, 16 July 1945	1
Trinity test	1
Trinity test site, Alamogordo Bombing and Gunnery Range	1
Trinity test site, New Mexico canonical	1

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.
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.
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.
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	General Leslie Groves ⓘ linked to: Leslie R. Groves Jr. J. Robert Oppenheimer ⓘ Manhattan Engineer District ⓘ linked to: Manhattan Engineer District of the U.S. Army Corps of Engineers
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 nuclear test ⓘ linked to: Trinity test device
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