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  • October 3, 1952 - The United Kingdom conducts its first nuclear weapon test, Hurricane, at Monte Bello Island (off the northwest coast of Australia).
  • October 16, 1962 - The Cuban Missile Crisis begins.
  • October 25, 1955 - Sadako Sasaki, a twelve-year-old Japanese student and victim of the Hiroshima bombing, dies of leukemia. Influenced by a Japanese legend that says if one can fold 1000 cranes, one’s wish will come true, Sadako manages to fold 646 before she dies. Her fellow students complete the 1000 cranes to fulfill Sadako’s wish of achieving world peace. One of her poems states, "I will write peace on your wings, and you will fly all over the world."
  • October 30, 1961 - The Soviet Union explodes the most powerful bomb ever: a 58 megaton atmospheric nuclear weapons test over Novaya Zemlya off Northern Russia.
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