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  • November 1, 1952 - The United States detonates the first hydrogen bomb, 10.4 megaton Mike, at Enewetak Atoll in the Marshall Islands.
  • November 8, 1957 - The United Kingdom successfully tests its first hydrogen-fusion weapon.
  • November 9, 1974 - A simulated missile attack, accidentally fed into the American early warning system, fools operators. During the six minutes it takes to discover that the attack is not authentic, fighters from bases in the United States and Canada take off, and missile and submarine installations worldwide are placed on alert.
  • November 22, 1955 - The first Soviet thermonuclear bomb is dropped in Kazakhstan from an aircraft in test, with a force equivalent to 1.6 megatons of TNT.
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