25th century

The 25th century spanned the Earth years 2401 to 2500.
== Major events ==
;2403
:Sela leads a Romulan and Hirogen fleet to Rator III and assumes control of the Romulan Star Empire.
;2404
:The Gorn Hegemony and their allies surrender to the Klingon Empire. The Klingons execute several Undine infiltrators of the Hegemony.
;2405
:The Klingons invade the Korvat Colony in the Hromi Cluster and begin forcibly removing Federation civilians. The Federation responds with a blockade, and the Federation-Klingon War officially begins.
=== Deaths ===
;2408
:Sokketh
;2409
:
== Appendices ==
=== External links ===
=== Navigation ===