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The Doomsday Clock is a symbolic clock face ... the closest nuclear war threat, the Cuban Missile Crisis in 1962, reached crisis, climax, and resolution before it could be set to reflect that ...
The Doomsday Clock was first introduced in 1947 as ... After the near-catastrophic Cuban missile crisis in 1963, The U.S. and the Soviet Union signed the Partial Test Ban Treaty, which ended ...