See also:
/EvanDaniel/which-countries-will-detonate-a-nuc

Previously: /AndyMartin/will-a-nuclear-weapon-be-launched-i-015e44ed91f5

Any combat use counts; tests are not included. A nuclear detonation is any nuclear explosion in which the majority of the energy released comes from nuclear fission or fusion, as opposed to chemical energy. UTC time.