atomic bombings of Hiroshima and Nagasaki

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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.

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Statements (48)

Predicate Object
instanceOf military operation
strategic bombing
use of nuclear weapons in warfare
aftermath Allied occupation of Japan
Japanese Instrument of Surrender
establishment of Hiroshima Peace Memorial
establishment of Nagasaki Atomic Bomb Museum
aim to force Japan’s unconditional surrender
aircraftUsed B-29 Superfortress
aircraftUsedAtHiroshima Enola Gay
aircraftUsedAtNagasaki Bockscar
belligerent Japan
surface form: Empire of Japan

United States of America
surface form: United States
casualtiesEstimate over 100000 immediate deaths
over 200000 deaths by the end of 1945
commemoratedOn Hiroshima Peace Memorial Day
Nagasaki Peace Memorial Day
conductedBy United States Army Air Forces
conflict World War II
controversy ethical debate over targeting cities
historical debate over necessity
countryTargeted Japan
date 1945-08-06
1945-08-09
historicalSignificance first use of nuclear weapons in war
only wartime use of nuclear weapons to date
influenced development of Cold War nuclear deterrence doctrines
global nuclear non-proliferation movement
justificationClaimedByUS to avoid invasion of Japan
location Hiroshima
Nagasaki
longTermEffects genetic damage concerns
increased cancer rates
radiation sickness
orderedBy President Harry S. Truman
surface form: Harry S. Truman
partOf Allied strategic bombing of Japan
Pacific War
projectContext Manhattan Project
result Japanese surrender
end of World War II in Asia
mass civilian casualties
widespread destruction of urban areas
targetCountryGovernment Government of Japan
surface form: Imperial Japanese government
timePeriod August 1945
weaponTechnology nuclear fission
weaponType atomic bomb
weaponUsedAtHiroshima Little Boy
weaponUsedAtNagasaki Fat Man

Referenced by (25)

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

Trinity test site, New Mexico relatedEvent atomic bombings of Hiroshima and Nagasaki
United States Army Air Forces notableEvent atomic bombings of Hiroshima and Nagasaki
Operation Downfall causeOfCancellation atomic bombings of Hiroshima and Nagasaki
Martin J. Sherwin mainSubject atomic bombings of Hiroshima and Nagasaki
subject surface form: A World Destroyed
Operation Olympic relatedTo atomic bombings of Hiroshima and Nagasaki
Hiroshima knownFor atomic bombings of Hiroshima and Nagasaki
this entity surface form: World War II atomic bombing
Downfall reasonForCancellation atomic bombings of Hiroshima and Nagasaki
Downfall relatedTo atomic bombings of Hiroshima and Nagasaki
Manchurian Strategic Offensive Operation relatedTo atomic bombings of Hiroshima and Nagasaki
Little Boy relatedEvent atomic bombings of Hiroshima and Nagasaki
Operation Coronet relatedTo atomic bombings of Hiroshima and Nagasaki
Three Non-Nuclear Principles of Japan influencedBy atomic bombings of Hiroshima and Nagasaki
Godzilla inspiredBy atomic bombings of Hiroshima and Nagasaki
this entity surface form: nuclear bombings of Hiroshima and Nagasaki
Monument at the Hypocenter of the Atomic Bombing category atomic bombings of Hiroshima and Nagasaki
this entity surface form: Atomic bombings of Hiroshima and Nagasaki
The Fall of Japan focusesOn atomic bombings of Hiroshima and Nagasaki
Atomic Age hasMajorTurningPoint atomic bombings of Hiroshima and Nagasaki
this entity surface form: 1945 atomic bombings of Hiroshima and Nagasaki
The Making of the Atomic Bomb subject atomic bombings of Hiroshima and Nagasaki
Nuclear bombs of the United States usedInConflict atomic bombings of Hiroshima and Nagasaki
this entity surface form: Atomic bombings of Hiroshima and Nagasaki
National Museum of the Pacific War subject atomic bombings of Hiroshima and Nagasaki
Mr. Truman’s Degree mainSubject atomic bombings of Hiroshima and Nagasaki
Tokyo air raids relatedTo atomic bombings of Hiroshima and Nagasaki
this entity surface form: Atomic bombings of Hiroshima and Nagasaki
Japan–United States relations historicalEvent atomic bombings of Hiroshima and Nagasaki
this entity surface form: Atomic bombings of Hiroshima and Nagasaki
Operation Centerboard II partOf atomic bombings of Hiroshima and Nagasaki
this entity surface form: atomic bombings of Japan
1st Ordnance Squadron (Special) associatedWith atomic bombings of Hiroshima and Nagasaki
World War II atrocities includesEvent atomic bombings of Hiroshima and Nagasaki
this entity surface form: Atomic bombings of Hiroshima and Nagasaki