USSR Nuclear Timeline

Number of Warheads
Number of Nuclear Tests

Note: Only 50 Hiroshima-size nuclear weapons are needed to emit enough smoke to massively change the climate and disrupt agriculture and human society around the world.
Regional Nuclear War Could Devastate Global Climate

Data about nuclear warheads and tests from   |   For an animation of every nuclear explosion, check out
Created by Amos Decker   |   2018/19 independent study with John Berkay and Melissa Carr