On 30 October 1961, the Union of Soviet Socialist Republics (USSR/Soviet Union) conducted a live test of the most powerful nuclear weapon ever created. Codenamed 'Ivan', and known in the West as the 'Tsar Bomba', the RDS-202 hydrogen bomb was detonated at the Sukhoy Nos cape of Severny Island, Novaya Zemla archipelago, in the Barents Sea.
The Tsar Bomba unleashed about 58 megatons of TNT, creating an 8-kilometer/5-mile-wide fireball and then...