2223


Events 
 Relations between the United Federation of Planets and the Klingon Empire degenerate, giving rise to some seventy years of unremitting hostility as the two powers become embroiled in a tense cold war. ()

Notes 

 According to the script notes for the  episode , Sam Kirk was "older by ten years than the Captain", implying this as his birth year.
 This year, seen in a timeline on a computer screen, was apparently derived by subtracting seventy years from 2293, the year  is set in. That movie contained a line of dialogue where the Federation and the Empire were said to have seen almost (rather than exactly as the timeline would suggest) seventy years of "unremitting hostility", the same phrase used in the timeline.
 According to Star Trek: Star Charts (p. 33), after becoming warp-capable, Delta IV is admitted to the Federation.

External link
 

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