Atomic Bomb Hypocenter in Nagasaki
E503598
The Atomic Bomb Hypocenter in Nagasaki marks the ground zero point directly beneath the 1945 nuclear explosion, preserved as a solemn memorial to the devastation and victims of the bombing.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Atomic Bomb Hypocenter in Nagasaki canonical | 1 |
| ground zero of the Nagasaki atomic bombing | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T5213547 — 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: Atomic Bomb Hypocenter in Nagasaki Context triple: [Peace Statue, locatedNear, Atomic Bomb Hypocenter in Nagasaki]
-
A.
atomic bombing of Nagasaki
The atomic bombing of Nagasaki was the second nuclear attack carried out by the United States against Japan in August 1945, leading to massive civilian casualties and contributing to Japan’s surrender in World War II.
-
B.
atomic bombing of Hiroshima
The atomic bombing of Hiroshima was the first use of a nuclear weapon in war, when the United States dropped an atomic bomb on the Japanese city of Hiroshima on August 6, 1945, causing massive destruction and loss of life.
-
C.
Nagasaki bugyō
Nagasaki bugyō were high-ranking Tokugawa shogunate officials responsible for administering the port city of Nagasaki and overseeing Japan’s tightly controlled foreign trade and relations during the Edo period.
-
D.
atomic bombings of Hiroshima and Nagasaki
The atomic bombings of Hiroshima and Nagasaki were the first and only wartime uses of nuclear weapons, carried out by the United States against Japan in August 1945 and leading to immense destruction and Japan’s subsequent surrender in World War II.
-
E.
Genbaku Dome
Genbaku Dome, also known as the Hiroshima Peace Memorial, is the preserved ruin of a building near the hypocenter of the 1945 atomic blast and now serves as a UNESCO World Heritage Site symbolizing the horrors of nuclear war and the hope for peace.
- 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: Atomic Bomb Hypocenter in Nagasaki Target entity description: The Atomic Bomb Hypocenter in Nagasaki marks the ground zero point directly beneath the 1945 nuclear explosion, preserved as a solemn memorial to the devastation and victims of the bombing.
-
A.
atomic bombing of Nagasaki
The atomic bombing of Nagasaki was the second nuclear attack carried out by the United States against Japan in August 1945, leading to massive civilian casualties and contributing to Japan’s surrender in World War II.
-
B.
atomic bombing of Hiroshima
The atomic bombing of Hiroshima was the first use of a nuclear weapon in war, when the United States dropped an atomic bomb on the Japanese city of Hiroshima on August 6, 1945, causing massive destruction and loss of life.
-
C.
Nagasaki bugyō
Nagasaki bugyō were high-ranking Tokugawa shogunate officials responsible for administering the port city of Nagasaki and overseeing Japan’s tightly controlled foreign trade and relations during the Edo period.
-
D.
atomic bombings of Hiroshima and Nagasaki
The atomic bombings of Hiroshima and Nagasaki were the first and only wartime uses of nuclear weapons, carried out by the United States against Japan in August 1945 and leading to immense destruction and Japan’s subsequent surrender in World War II.
-
E.
Genbaku Dome
Genbaku Dome, also known as the Hiroshima Peace Memorial, is the preserved ruin of a building near the hypocenter of the 1945 atomic blast and now serves as a UNESCO World Heritage Site symbolizing the horrors of nuclear war and the hope for peace.
- F. None of above. chosen
Statements (42)
| Predicate | Object |
|---|---|
| instanceOf |
World War II site
ⓘ
historical site ⓘ |
| associatedWith | Little Boy-type plutonium implosion bomb "Fat Man" NERFINISHED ⓘ |
| bombingAltitude | approximately 500 meters above ground ⓘ |
| bombType | plutonium implosion-type nuclear weapon ⓘ |
| casualtiesContext | tens of thousands killed and injured ⓘ |
| commemorationDay | August 9 ⓘ |
| coordinateSystem | WGS84 NERFINISHED ⓘ |
| country | Japan ⓘ |
| dateOfEvent | 1945-08-09 ⓘ |
| distanceFromEpicenter | directly beneath airburst ⓘ |
| event | atomic bombing of Nagasaki ⓘ |
| hasFunction |
commemoration of war victims
ⓘ
education about nuclear weapons ⓘ promotion of peace ⓘ |
| hasLandscapeFeature | simple landscaped park area ⓘ |
| hasNearbyMonument |
monument marking ground zero
ⓘ
statue of a woman holding a child ⓘ |
| hasNearbySite |
Nagasaki Atomic Bomb Museum
NERFINISHED
ⓘ
Nagasaki Peace Park NERFINISHED ⓘ |
| hasPlaque | explanatory plaque about the bombing ⓘ |
| hasReligiousNearby | Urakami Cathedral ruins site NERFINISHED ⓘ |
| heritageDesignation | historic site of Nagasaki City ⓘ |
| isOpenToPublic | true ⓘ |
| isPlaceOfRemembrance | true ⓘ |
| isTouristAttraction | true ⓘ |
| languageOfSignage |
English
ⓘ
Japanese ⓘ |
| locatedIn |
Japan
ⓘ
Nagasaki NERFINISHED ⓘ Nagasaki Prefecture NERFINISHED ⓘ |
| memorialFor |
Hibakusha
NERFINISHED
ⓘ
civilian victims of nuclear warfare ⓘ victims of the atomic bombing of Nagasaki ⓘ |
| operatorOfAttack | United States NERFINISHED ⓘ |
| partOf | Nagasaki Peace tourism route NERFINISHED ⓘ |
| subjectOf |
memorial ceremonies on August 9
ⓘ
peace education programs ⓘ |
| symbolOf |
appeal for nuclear disarmament
ⓘ
destructive power of nuclear weapons ⓘ |
| theaterOfWar | Pacific War NERFINISHED ⓘ |
| war | World War II 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: Atomic Bomb Hypocenter in Nagasaki Description of subject: The Atomic Bomb Hypocenter in Nagasaki marks the ground zero point directly beneath the 1945 nuclear explosion, preserved as a solemn memorial to the devastation and victims of the bombing.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
ground zero of the Nagasaki atomic bombing