- 2602. September 11: Forces from the mirror universe invade the Federation, starting the Mirror War (Star Trek: Mirror Wars).
- At some unknown year in this century at least the four major powers of the Alpha Quadrant, the United Federation of Planets, the Klingon Empire, the Romulan Star Empire and the Cardassian Union formed a wide scale alliance to protect one another and the quadrant.
27th century productionsEdit
|26th century|| Timeline|