Harry Truman ordered the bombing of Hiroshima from a lakeside villa in 1945 while attending the Potsdam conference.

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The ceremony was also attended by a grandson of former US President Harry Truman, who ordered the bombing of Hiroshima and then Nagasaki.

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What did not happen as a result of the bombing of Hiroshima and Nagasaki was the massive Allied (largely American) invasion of the Japanese home islands that was being actively planned.

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