Atomic bombings of Hiroshima and Nagasaki
August 6–9, 1945 · Hiroshima, Nagasaki
On 6 and 9 August 1945 the United States detonated two atomic bombs over Hiroshima and Nagasaki, killing 150,000 to 246,000 people, most civilians: the first and only nuclear weapons used in armed conflict. The Manhattan Project bombs, Little Boy (uranium gun-type) and Fat Man (plutonium implosion-type), were dropped by the 509th Composite Group of the U.S. Army Air Forces.
Key people
Harry S. Truman
President of the United States, Ordered the atomic bombings · Allies
J. Robert Oppenheimer
scientist, Directed the Los Alamos laboratory that built the bombs
Enrico Fermi
scientist, Manhattan Project physicist; built the first reactor
Paul Tibbets
participant, piloted the Enola Gay over Hiroshima · Allies
Participants
-
United States
Allies
-
Japan
Axis
Battles and events 2
- Atomic bombing of Hiroshima August 6, 1945
- Atomic bombing of Nagasaki August 9, 1945
Before and after
- Followed from
- Manhattan Project August 13, 1942 – January 1, 1947
- Led to
- Surrender of Japan September 2, 1945
Related events
1943
1944
1945
1946
1947
Atomic bombings of Hiroshima and Nagasaki
