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- Truman, the new U.S. president, calculated that this monstrous weapon might be used to defeat Japan in a way less costly of U.S. lives than a conventional invasion of the Japanese homeland. Japan’s unsatisfactory response to the Allies’ Potsdam Declaration decided the matter. (See Sidebar: The decision to use the atomic bomb.)
www.britannica.com/event/World-War-II/Hiroshima-and-NagasakiWorld War II - Hiroshima, Nagasaki, Atomic Bombs | Britannica
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Three days later, a Fat Man was dropped on Nagasaki. Over the next two to four months, the effects of the atomic bombings killed 90,000 to 166,000 people in Hiroshima and 60,000 to 80,000 people in Nagasaki; roughly half occurred on the first day.
- The Manhattan Project
- No Surrender For The Japanese
- Why Did The U.S. Bomb Hiroshima and Nagasaki?
- Aftermath of The Bombing
Even before the outbreak of war in 1939, a group of American scientists—many of them refugees from fascist regimes in Europe—became concerned with nuclear weapons research being conducted in Nazi Germany. In 1940, the U.S. government began funding its own atomic weapons development program, which came under the joint responsibility of the Office of...
By the time of the Trinity test, the Allied powers had already defeated Germany in Europe. Japan, however, vowed to fight to the bitter end in the Pacific, despite clear indications (as early as 1944) that they had little chance of winning. In fact, between mid-April 1945 (when President Harry Trumantook office) and mid-July, Japanese forces inflic...
Hiroshima, a manufacturing center of some 350,000 people located about 500 miles from Tokyo, was selected as the first target. After arriving at the U.S. base on the Pacific island of Tinian, the more than 9,000-pound uranium-235 bomb was loaded aboard a modified B-29 bomber christened Enola Gay(after the mother of its pilot, Colonel Paul Tibbets)....
At noon on August 15, 1945 (Japanese time), Emperor Hirohito announced his country’s surrender in a radio broadcast. The news spread quickly, and “Victory in Japan” or “V-J Day” celebrations broke out across the United States and other Allied nations. The formal surrender agreement was signed on September 2, aboard the U.S. battleship Missouri, anc...
Aug 25, 2024 · Little Boy, the bomb dropped on Hiroshima, was a gun-assembly fission bomb using uranium, whereas Fat Man, the bomb dropped on Nagasaki, was an implosion fission bomb utilizing plutonium.
- The Editors of Encyclopaedia Britannica
Jul 21, 2020 · Ever since America dropped a second atomic bomb on Nagasaki, Japan on August 9, 1945, the question has persisted: Was that magnitude of death and destruction really needed to end World War II?
- Sarah Pruitt
3 days ago · On August 6, 1945, an atomic bomb carried from Tinian Island in the Marianas in a specially equipped B-29 was dropped on Hiroshima, at the southern end of Honshu: the combined heat and blast pulverized everything in the explosion’s immediate vicinity, generated fires that burned almost 4.4 square miles completely out, and immediately killed ...
Aug 25, 2024 · Atomic bomb at Nagasaki, Japan On August 9, 1945, three days after detonating a uranium-fueled atomic bomb over Hiroshima, Japan, the United States dropped a plutonium-fueled atomic bomb over the Japanese port of Nagasaki.
The world's first operational atomic bomb was dropped above the Japanese city of Hiroshima at 8:15 on the morning of the 6th of August 1945. It was carried to its target by the USAA B-29 bomber Enola Gay, flying from the American airbase on the Pacific island of Tinian.
