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Across
  1. 2. 1955 underwater nuke test
  2. 6. WWII oil pipeline still in use in the ’50s
  3. 8. 1955 Cold War peace meeting
  4. 9. Cuban leader ousted in 1959
  5. 10. Steelmaking method of the era
Down
  1. 1. Early Cold War Cuba project
  2. 3. Rare tidal bore (France)
  3. 4. 1952–1960 British colonial conflict
  4. 5. Korean War body recovery mission
  5. 7. Soviet news agency