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For information about Star Trek releases and related events in the 20th century, please see the early production history or the production timeline.

Bones, do you remember the twentieth century brush wars on the Asian continent? Two giant powers involved, much like the Klingons and ourselves. Neither side felt could pull out.
Yes, I remember. It went on bloody year after bloody year.
What would you have suggested, that one side arm its friends with an overpowering weapon? Mankind would never have lived to travel space if they had. No. The only solution is what happened back then. Balance of power.

 — James T. Kirk and Leonard "Bones" McCoy, 2268 ("A Private Little War")

The 20th century, defined in the calendar of Earth as the period from 1901 to 2000, was a violent and tense time on Earth, with major conflicts like World War I, World War II, the Cold War and the Eugenics Wars. The dominance gained by the United States of America during these wars would prove to be a crucial circumstance in the prehistory of the Federation.

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19th century Timeline 21st century

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20th century productions Edit

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