The Hiroshima and Nagasaki bombs were based on very different designs
Kokura, Hiroshima, Yokohama, Niigata, and Kyoto were on the list. Kyoto was spared, according to legend, because US Secretary of War Henry Stimson loved the ancient Japanese capital and had spent his honeymoon there decades before. In its place, Nagasaki was established. On July 25, 1945, the United Kingdom approved the bombing of four Japanese cities: Kokura, Niigata, Hiroshima, and Nagasaki.
Hitler's nephew published an essay criticizing the dictator, then traveled to the United States and joined the Navy to oppose his uncle.