| 2232 2233 2234 2235 2236 2237 2238
|2200s 2210s 2220s 2230s 2240s 2250s 2260s|
|22nd century - 23rd century - 24th century|
- The USS Yorktown (NX-1531) is launched. (Star Trek: Origins)
- The Doppelganger warp drive, a device used to balance the warp field of single-engine starships, is perfected. (Tamerlane)
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