2155

The following events occurred in the year **2155** according to the Earth calendar.

## Events

* At some point this year, the star-lost Vanguard colony encounters a spatial anomaly which transports it some 210,000 light-years away to the Small Magellanic Cloud. (*TLE* novel: *The Sundered*)

January
* **19-22 January**: During a diplomatic summit on Earth, the xenophobic terrorist group Terra Prime attempts to force all non-humans to leave the Sol system. Led by John Frederick Paxton, Terra Prime takes control of the verteron array on Mars and attempts to destroy Starfleet Command. The  *Enterprise* crew manages to stop Terra Prime's plans and take Paxton into custody. (ENT: "Demons", "Terra Prime")
* **26 January**: The summit resumes, and Jonathan Archer gives an impassioned speech in favor of forming a Coalition of Planets. (ENT: "Terra Prime")

February
* **23 February**: A Romulan suicide attack devastates Coridan III, killing over half population of 3 billion, and igniting the planet's dilithium reserves. (*ENT* novel: *The Good That Men Do*)
* Though a formal declaration will not be issued for several months, historians view this attack as the start of the Earth-Romulan War. (*Star Trek: Pendragon*; *ENT* novel: *The Romulan War*: *Beneath the Raptor's Wing*, *To Brave the Storm*)

March
* **5 March**: The Coalition Compact is signed at Candlestick Auditorium in San Francisco, officially forming the Coalition of Planets. The Coalition's founding signatories are the United Earth, the Confederacy of Vulcan, the Andorian Empire, and the United Planets of Tellar. (*ENT* novel: *The Good That Men Do*)
* The People's Republic of Coridan had intended to sign as well, but withdraws after the Romulan attack on their world. Fear of more attacks also causes the Denobulans, the United Rigel Worlds and Colonies, and other powers to withdraw. (*ENT* novel: *The Good That Men Do*)
* As part of the negotiations, a revised draft of the Geneva Protocol goes into effect, banning the development and use of biological weapons. (DSC: "Context is for Kings")

July
* The Romulans attack Draylax. In response, both Draylax and the Alpha Centauri Concordium join the Coalition of Planets. (*ENT* novel: *Kobayashi Maru*)
* **22 July**: The Romulans launch simultaneous assaults on Alpha Centauri and Calder II. While *Columbia* repels the ships near Alpha Centauri, the Romuluans succeed in capturing Calder, destroying the small Earth science outpost there, and establishing a beachhead from whence they could launch invasions of Vulcan, Earth or other Coalition systems. (*ENT* novel: *Kobayashi Maru*)
* **22 July**: According to one account, the *Kobayashi Maru* incident occurs in the Tezel-Oroko system in the Gamma Hydra sector. (*ENT* novel: *Kobayashi Maru*)
* **25 July**: The Coalition of Planets officially declares war against the Romulan Star Empire, thus beginning the conflict known to history as the Earth-Romulan War. (*ENT* novel: *Kobayashi Maru*)

*Other sources, including an okudagram seen in "ENT: "In a Mirror Darkly, Part II"", give the official start of the war as 2156.*

## *Stories*

* January

* *ENT* novel: *Rosetta*
* *ENT: "In a Mirror, Darkly"*
* *ENT: "In a Mirror, Darkly, Part II"*
* ENT: "Demons"
* ENT: "Terra Prime"

* January-March

* *ENT* novel: *The Good That Men Do*

* May-July

* *ENT* novel: *Kobayashi Maru*

* July-December

* *ENT* novel: *Beneath the Raptor's Wing*

## External link

* 2155 article at ***Memory Alpha***, the canon *Star Trek* wiki.
* 2155 article at ***Memory Beta***, the non-canon *Star Trek* wiki.
* 2155 article at ***Star Trek Expanded Universe***, the fanon and fanworks *Star Trek* wiki.