2379

Multiple realities

(covers information from several alternate timelines)

Events

Beckett Mariner is demoted to ensign and transferred from the USS Quito to the USS Cerritos. (LD: "Second Contact")
Brad Boimler is commissioned and later assigned to the Cerritos. (LD: "Second Contact")
Sam Rutherford is transferred from Douglas Station to the Cerritos on Stardate 56329.4. (LD: "Reflections")

The shuttlecraft Argo is tested for the first time on Kolarus III. One of Dr. Noonien Soong's prototypes, B-4, is discovered on the planet. Data attempts to expand B-4's abilities by copying all of his memories into the older android. (Star Trek Nemesis)
Captain Jean-Luc Picard is ordered to go to Romulus by Starfleet after a military coup results in a new government being formed, and peace overtures are made towards the Federation. This is discovered to be a ploy by the new Praetor, Shinzon of Remus, to lure the Enterprise to Romulus so he can capture Picard and use his DNA to stabilize his own dying body. The Enterprise-E is seriously damaged by Shinzon's ship, the Scimitar, during the Battle in the Bassen Rift. Shinzon is killed by Picard and the Scimitar is destroyed when the thalaron energy weapon on his ship is overloaded by Lieutenant Commander Data, who is also killed in the process. (Star Trek Nemesis)
The Enterprise-E is towed back to Earth for repairs. (Star Trek Nemesis)

According to a deleted scene from Star Trek Nemesis, Commander Martin Madden takes Riker's place as first officer of the Enterprise.

William Riker is promoted to captain and takes command of the Titan. Deanna Troi also transfers to the Titan as the ship's counselor. (Star Trek Nemesis)
After the death of Shinzon, the initial approaches between the Federation and the Romulan Star Empire are continued, marking the beginning of a new era of peace for both powers. Several vessels, led by the USS Titan, are dispatched to the Romulan Neutral Zone in order to begin talks with the Romulans. (Star Trek Nemesis)

According to the Star Trek: Picard Logs, the Titan was launched in this year.[1]

Kathryn Janeway is a vice admiral serving at Starfleet Command during this year. (Star Trek Nemesis)
Evidence suggests (but other interpretations are possible) that sometime prior to this year, Wesley Crusher returns to Starfleet and gains the rank of lieutenant junior grade. (Star Trek Nemesis)
William T. Riker and Deanna Troi are married on Earth. A second ceremony on Betazed is scheduled, but interrupted when the USS Enterprise-E is summoned to Romulus. (Star Trek Nemesis)
The USS Archer, USS Aries, USS Galaxy, USS Hood, USS Intrepid, USS Nova, and USS Valiant together make up Star Fleet Battle Group Omega, a battle group sent to assist the Enterprise-E and intercept the Scimitar. (Star Trek Nemesis)
In an alternate timeline aboard USS Voyager in the Delta Quadrant, Kes nearly dies at the age of 9, experiences a temporal flux, and begins to travel back in time to the year of 2373. At that point in time she is put in a bio-temporal chamber, reactivating dormant chronitons in her body. She experiences temporal reversion as she time travels. (VOY: "Before and After")