Little Boy

E50421

Little Boy was the codename for the uranium-based atomic bomb dropped on Hiroshima, Japan, by the United States on August 6, 1945, marking the first use of nuclear weapons in warfare.

AI illustration

How this image was made

AI-generated illustration of Little Boy

This AI-generated illustration was produced by black-forest-labs/FLUX.2-dev (1024x1024) from a prompt written by openai/gpt-oss-120b from the entity's label + description.

Prompt

Generate an image of Little Boy (Little Boy was the codename for the uranium-based atomic bomb dropped on Hiroshima, Japan, by the United States on August 6, 1945, marking the first use of nuclear weapons in warfare.)

All labels observed (4)

Label Occurrences
Little Boy canonical 17
Little Boy atomic bomb 6
Little Boy (Hiroshima uranium bomb) 1

How this entity was disambiguated

Statements (49)

Predicate Object
instanceOf atomic bomb ⓘ
nuclear weapon ⓘ
uranium-based fission bomb ⓘ
approximateYield 13–18 kilotons of TNT ⓘ
15 kilotons of TNT ⓘ
casualtiesContext caused massive civilian casualties in Hiroshima ⓘ
category Nuclear bombs of the United States ⓘ
World War II weapons of the United States ⓘ
cityTargeted Hiroshima ⓘ
codenameOf uranium-based atomic bomb dropped on Hiroshima ⓘ
continentTargeted Asia ⓘ
countryOfOrigin United States ⓘ
crewCommanderOfDeliveryAircraft Paul W. Tibbets Jr. ⓘ
dateOfUse 1945-08-06 ⓘ
deliveredBy 509th Composite Group ⓘ
deliveryAircraft Enola Gay ⓘ
deliveryMethod air-dropped bomb ⓘ
designType gun-type fission weapon ⓘ
developedBy Los Alamos Laboratory ⓘ
Manhattan Project ⓘ
developmentCountry United States ⓘ
developmentPeriod World War II ⓘ
diameter approximately 71 centimeters ⓘ
droppedOn Hiroshima ⓘ
era early Cold War precursor ⓘ
explosionHeight approximately 600 meters above Hiroshima ⓘ
firstUseContext first atomic bomb used in combat ⓘ
first nuclear weapon used in warfare ⓘ
fissileMaterial uranium-235 ⓘ
followedBy Fat Man ⓘ
historicalSignificance contributed to Japan's decision to surrender ⓘ
demonstrated destructive power of nuclear weapons ⓘ
triggered global nuclear arms race ⓘ
length approximately 3 meters ⓘ
nicknameLanguage English ⓘ
operator United States Army Air Forces ⓘ
opposedBy some Manhattan Project scientists ⓘ
purpose to demonstrate U.S. nuclear capability ⓘ
to force Japanese surrender ⓘ
relatedEvent atomic bombings of Hiroshima and Nagasaki ⓘ
relatedOperation Manhattan Project nuclear tests and development ⓘ
targetCountry Japan ⓘ
usedBy United States Army Air Forces ⓘ
usedInConflict World War II ⓘ
usedInTheater Pacific War ⓘ
usedOnDate 1945-08-06 ⓘ
warheadType fission ⓘ
weaponType strategic bomb ⓘ
weight approximately 4,400 kg ⓘ

How these facts were elicited

Referenced by (25)

Full triples — surface form annotated when it differs from this entity's canonical label.

Project Y → notableProject → Little Boy ⓘ
Fat Man → otherCombatNuclearWeapon → Little Boy ⓘ
Enola Gay → bombTypeCarried → Little Boy ⓘ
B-29 Superfortress → carried → Little Boy atomic bomb ⓘ
linked to: Little Boy
Site X → producedFor → Little Boy atomic bomb ⓘ
linked to: Little Boy
Secret City → contributedTo → Little Boy atomic bomb ⓘ
linked to: Little Boy
Hiroshima → bombNickname → Little Boy ⓘ
K-25 Project → associatedWith → Little Boy ⓘ
Project Alberta → notableWork → Little Boy atomic bomb ⓘ
linked to: Little Boy
V-Site buildings → associatedWithWeapon → Little Boy atomic bomb ⓘ
linked to: Little Boy
44-86292 → bombTypeCarried → Little Boy ⓘ
The Nightman Cometh → portraysCharacter → the Little Boy ⓘ
subject linked to: the Nightman Cometh musical
linked to: Little Boy
Oak Ridge Gaseous Diffusion Plant → associatedWith → Little Boy (Hiroshima uranium bomb) ⓘ
linked to: Little Boy
The Atomic Bomb Group → usedWeapon → Little Boy ⓘ
390th Air Service Group → supportedWeapon → Little Boy atomic bomb ⓘ
linked to: Little Boy
Little Boy: The Arts of Japan’s Exploding Subculture → alternativeTitle → Little Boy ⓘ
Mark 1 nuclear bomb → hasAlias → Little Boy ⓘ
Mark 8 nuclear bomb → predecessor → Little Boy ⓘ