| Babylon 5 becomes operational. (ref - JMS) Oops! Wrong timeline! | 2257 |
| David Marcus (Kirk's son) Born Memory Alpha library complex is established as a database of all Federation knowlege (ref - TOS) | 2261 |
| Saavik Born (on a colony world, one parent was Vulcan the other, Romulan) She does not have a happy childhood. Chekov enters academy | 2264 |
| The Enterprise gets a huge refit/overhaul. (in ST3, it's mentioned that the Enterprise is 20 years old, possibly implying it was overhauled so much that it's almost a new ship by now (2265).) | 2265 |
| (Star Trek:Season 1) Kirk assumes command of Enterprise (Crew size - 428) Kirk's age - 34. Youngest captain ever in Starfleet. McCoy as CMO of Enterprise for next 27 years 5-year mission (Kirk) begins Transporter splits Kirk into two people First contact with the First Federation Pike returns to Talos 4 with Spock's help First appearance of Romulans since the Earth-Romulan wars First contact with the Gorn Janice Rand transferred off Enterprise Khan awakened War declared between Federation and Klingon Empire Organian peace treaty ends the war Guardian of Forever discovered Kirk's brother Sam dies from flying parasites though Kirk's nephew Peter survives | 2267 |
| (Star Trek:Season 2) Chekov comes to Enterprise as Ensign (age 22) Spock returns to Vulcan to get married and fights Kirk "to the death". He doesn't get married Nomad found, and destroyed Mirror Universe first visited USS Constellation destroyed by planet killer Zephram Cochrane discovered alive Babel conference Tribbles discovered by Enterprise crew while on a mission to guard quadrotriticale (grain) on Space Station K-7. The crew of DS9 travel back in time and stop an assasination on Captain Kirk by finding a tribble-bomb. The Enterprise crew is not aware of the DS9 crew, and don't detect the cloaked Defiant. Spock and Sarek meet for the first time in 18 yrs. on route to Babel conference. USS Intrepid (Starship manned by Vulcans) is destroyed. by a giant space amoeba. M5 computer on Enterprise destroys USS Excalibur. Scotty's nephew Peter Preston born | 2268 |
| (Star Trek:Season 3) Romulans form alliance with Klingons Klingons get cloak, Romulans get improved warp drive and improved ship designs. Klingons got the bad end of the deal Romulans start using Klingon ship designs and quickly phase out their older Bird-of-Prey ship designs. Kirk acts insane and steals Romulan cloaking device, which Scotty installs on the Enterprise, and the Enterprise cloaks for the first time ever. Kirk believes he is Kirok for several months Spock and McCoy sent thousands of years into the past of a dying planet, Sarpeidon. Spock begins to revert to earlier Vulcan ways (and emotion). Both manage to get back to the future Excalbanians first appearance Tholians first appearance Defiant lost interdimensionally | 2269 |
| (Star Trek:Animated series:Season 1) Spock revisits his youth Uhura finally gets command of the Enterprise briefly New genetically engineered tribbles get fat Shore leave planet breaks down Kirk and Spock change to water breathers, then back again Enterprise first encounters the Kzinti Powerful Jihad is retrieved by Kirk and Spock Tuvok born (around now?) | 2270 |
| (Star Trek:Animated series:Season 2) Enterprise's first encounter with Orion Pirates Enterprise computer suffers a nervous breakdown Alien claims to be aztec god Kulkukan Robert April commands the Enterprise one last time 5 year mission ends Demora Sulu born? Klingon/Romulan Alliance broken, Klingons now despise Romulans. A new Klingon/Romulan war begins which the Klingons will eventually win. (ref. - DS9) Using Romulan ship designs, the Klingons design their own Bird-of-Prey ships, which will prove a very successful ship class for the Klingon Empire for the next century | 2271 |
| Kirk promoted to admiral, head of Starfleet Operations Spock returns to Vulcan to work on achieving Kolinahr McCoy returns to Earth William Decker gets command of the Enterprise Enterprise in drydock - Upgrades and refit begin Uniforms changed The Enterprise insignia is adopted by all of Starfleet (previously each ship had their own insignia) A new type of shuttlecraft enters service in Starfleet; The shuttle itself can be attached or removed from it's Warp Sled, allowing it to dock with several different classes of ships. It has become known generally as the "Vulcan Shuttle" because most of them are named after legendary Vulcans. The design for this ship will be used when the Runabout ships are designed 90 years from now. | 2272 |