2265

==Events==
=== By starship === 
;
* Captain James T. Kirk assumes command of the for an historic five-year mission of exploration. He is seen off on his first mission as commander of the starship by his brother Sam and his family. His father is also proud to see him off. Prior to assuming command, Kirk's emotional structure is tested by the Robbiani dermal-optic test. (; ; )
* The Enterprise becomes one of the first Earth ships to reach the edge of the Milky Way Galaxy, where they encounter the galactic barrier. Gary Mitchell and Elizabeth Dehner are among the Enterprise officers who die in the line of duty. ()
* At a Christmas party held in the Enterprise science lab, Captain Kirk meets Dr. Helen Noel. She later recalls him "dropping in" on the party, during a mission to the rehabilitation colony on Tantalus V. ()
=== Other events ===
* The Klingons and the Federation sign a peace treaty which they honor over the next three years. ()
* A bottle from this year's vintage of Dom Pérignon will be used in the christening of the in 2293. ()
* Ingraham B is attacked by flying parasites. ()
* Carter Winston dies on the planet Vendor. ()
* The Borg "swarm through" the El-Aurian system, invading and destroying the El-Aurian homeworld. The survivors flee and are scattered over the entire galaxy, with some reaching Earth twenty-eight years later. (; )
* A new uniform is introduced for Starfleet personnel, though the previous style continues to be used for years. These new uniforms remain in service until the early 2270s. (; ; )
* Captain Christopher Pike is promoted to the rank of fleet captain. ()
* April Wade is born. ()
* Nancy Crater is killed by planet M-113's last surviving native. ()
==Appendices==
===Episodes===
*
===Notes===
* According to the Star Trek: Star Charts (p. 52), an Earth colony was founded on Cestus III.
*In , Kang stated that the Klingons and the Federation have been at peace for three years; this is likely referencing the Treaty of Organia from , which took place in 2267, rather than the year 2265.
* According to the script for , David Marcus was born in this year. However, in the script for – commonly conjectured to be set in 2285 – David was described as being in his mid-twenties. 
* In the alternate reality, this is the year 's five-year mission was supposed to end. (; )
== External link ==
* 
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