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Timeline of nuclear weapons development
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<p>This timeline of nuclear weapons development is a <a href="/facts/Chronology/QnyvW82G">chronological</a> catalog of the evolution of <a href="/facts/Nuclear_weapon/QVdBcMdm">nuclear weapons</a> rooting from the development of the science surrounding <a href="/facts/Nuclear_fission/LfkIylvm">nuclear fission</a> and <a href="/facts/Nuclear_fusion/hP0gLDqj">nuclear fusion</a>. In addition to the scientific advancements, this timeline also includes several political events relating to the development of nuclear weapons. The availability of intelligence on recent advancements in nuclear weapons of several major countries (such as <a href="/facts/United_States/P0sCdLe5">United States</a> and the <a href="/facts/Soviet_Union/m7wWsPto">Soviet Union</a>) is limited because of the classification of technical knowledge of nuclear weapons development. </p>