After the U.S. dropped an atomic bomb on Hiroshima in 1945, nations around the world began thinking about acquiring nuclear weapons of their own. Among them was China, then ruled by supreme leader Chiang Kai-shek. The Nationalists' retreat to Taiwan interrupted those early ambitions, but when the PRC successfully detonated a nuclear device in 1964, CKS stepped up efforts to develop nukes. This secret program continued after the death of Chiang Kai-shek in 1975 and came surprisingly close to success. Taiwan, however, would not end up joining the Atomic Club. Here's the story of how that happened: