What was the world’s biggest nuclear bomb?

In October 1961, the Soviet Union dropped its so-called “Tsar Bomba”—or "Emperor Bomb"—from an altitude of 10,500 metres to detonate at a height of 4,000 m above the island of Novaya Zemlya. At about 50 megatons, “Tsar Bomba” was the largest, most powerful nuclear explosive ever detonated anywhere in the world.

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