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A friendly reminder regarding spoilers! At present the expanded Trek universe is in a period of major upheaval with the finale of Year Five, the Coda miniseries and the continuations of Discovery, Picard and Lower Decks; and the premieres of Prodigy and Strange New Worlds, the advent of new eras in Star Trek Online gaming, as well as other post-55th Anniversary publications. Therefore, please be courteous to other users who may not be aware of current developments by using the {{spoiler}}, {{spoilers}} or {{majorspoiler}} tags when adding new information from sources less than six months old. Also, please do not include details in the summary bar when editing pages and do not anticipate making additions relating to sources not yet in release. 'Thank You


Memory Beta, non-canon Star Trek Wiki
The timestream.
years: 2249 2250 2251 2252 2253 2254 2255

(stardates unknown)

decades: 2220s 2230s 2240s 2250s 2260s 2270s 2280s
centuries: 22nd century - 23rd century - 24th century



References and Notes


Title Series Date Media Notes Image
Fear Itself Discovery 2252 novel Fear Itself.jpg
A Choice of Catastrophes

Chapter 9 - "Sixteen Years Ago"
The Original Series 2252 novel A Choice of Catastrophes cover.jpg

Chaotic Response

Sections 5 & 7
The Original Series 2252 short story Constellations.jpg