Timeline of Star Trek

Timeline

Before Common Era

• The Big Bang
• *Quinn hides in the big bang to avoid discovery by Q.
• c. 6 billion years ago
• *The Guardian of Forever is formed.
• c. 4 billion years ago
• *A humanoid civilization seeds the oceans of many planets with genetic material, which would lead to the development of humanoids on many planets.
• c. 65 to 100 million years ago
• *The dinosaurs from the episode "Distant Origin |Distant Origin" are most likely descendants of Hadrosaurids who lived in the Cretaceous period of Earth's history.
• c. 1 million years ago
• *Sargon's people explore the galaxy and colonize various planets, possibly including Vulcan.
• c. 600,000 years ago
• *The The Last Outpost |Tkon Empire, an interstellar state consisting of dozens of star systems in the Alpha Quadrant, becomes extinct.
• c. 200,000 years ago
• *The Iconian civilization is destroyed.
• c. 8,000 BCE
• *The Dominion may have been founded in the Gamma Quadrant by the shapeshifting race known as the Changelings around this time, possibly in a different form than is known in the modern timeline.
• c. 2700 BCE
• *A group of extraterrestrial beings landed on Earth and was eventually known as the Greek gods established in the episode "Who Mourns for Adonais?".

  1st millennium of the Common Era

• c. 4th century CE
• *The Vulcan Time of Awakening. In the midst of horrific wars on Vulcan, the philosopher Surak leads his people, teaching them to embrace logic and suppress all emotion.
• *The Dominion may have been founded in the Gamma Quadrant by the shapeshifting race known as the Changelings around this time.
• c. 9th century
• *Kahless the Unforgettable unites the Klingons by defeating the tyrant Molor in battle, and provides his people with teachings based on a philosophy of honor.

  Pre-20th century

• c. 1505
• *The Borg are known to exist in the Delta Quadrant, 900 year prior to Voyager landing on the planet. As referenced by the Vaadwaur. "Dragon’s Teeth |Dragon's Teeth"
• c. 1570
• *The ancient Bajorans use solar sail ships to explore their star system, and one may have reached Cardassia.
• 18th century
• *The Suliban homeworld becomes uninhabitable. |Detained" )
• *The Preservers transport various Native Americans to a far-away planet.
• c. 1864
• *The Skagarans abduct humans for use as slaves in their colony world.
• c. 1871
• *The Cardassian Union is established.
• 1888
• * August 31 – Jack the Ripper's first victim is found murdered and mutilated in East London.
• c. 1893
• * "Time's Arrow |Time's Arrow"

  20th century

• 1918
• *World War I ends with 6 million dead. "Bread and Circuses |Bread and Circuses "
• 1930
• * "The City on the Edge of Forever"
• 1937
• * Several hundred humans are secretly abducted by an alien race known as the Briori and brought to the Delta Quadrant. Eight are cryogenically frozen, including long-lost pilot Amelia Earhart. "The 37's"
• 1944
• * "Storm Front |Storm Front"
• 1945
• * World War II ends with 11 million dead. "Bread and Circuses |Bread and Circuses "
• 1947
• * Three Ferengi crash land in the New Mexico desert, and are held by the U.S. government at a secret base for scientific study. "Little Green Men |Little Green Men"
• 1957
• *A Vulcan scout ship visits Earth, according to a story told by T'Pol. "Carbon Creek |Carbon Creek"
• 1967
• *Captain Braxton's 29th century Federation timeship Aeon crashlands on Earth. "Future's End"
• 1968
• * ""
• 1969
• * "Tomorrow Is Yesterday"
• 1986 –
• *
• 1992
• * The Eugenics Wars begin.
• 1996
• * The Eugenics Wars end.
• * "Future's End"
• * the SS Botany Bay is stolen by a group of about 80 or 90 augments "Space Seed"
• 1999
• * Voyager 6 is launched

  21st century

• 2000
• * The past events of "".
• 2002
• * The interstellar probe The Changeling |Nomad is launched.
• 2004
• * The past events of "Carpenter Street |Carpenter Street".
• 2009
• * The first successful Earth-Saturn probe takes place.
• 2012
• * The world's first self-sustaining civic environment, Millennium Gate, which became the model for the first habitat on Mars, completed in Portage Creek, Indiana.
• 2018
• * Sleeper ships are made obsolete.
• 2024
• * A united Ireland is achieved by republican terrorists
• * The past events of "Past Tense |Past Tense". Namely the "Bell Riots".
• 2032
• * Ares IV, a manned mission to Mars is launched.
• * Zefram Cochrane is born
• 2037
• * The spaceship Charybdis makes an attempt to leave the solar system.
• 2053
• * World War III ends and Earth is left devastated, mostly because of nuclear warfare. Scientific advancement continues, however.
• 2063
• * The past events of . Zefram Cochrane makes the first human warp flight with the Phoenix. This attracts the Vulcans and they make first contact with humans..
• c. 2065
• * The SS Valiant is launched.
• 2067
• * The unmanned interstellar warp probe Friendship 1 is launched
• 2069
• * The colony ship SS Conestoga is launched. It would found the Terra Nova colony.
• 2079
• * Earth begins to recover from its nuclear war. The recovery is aided and partially organized by a newly established political entity called the European Hegemony.
• 2088
• * T'Pol is born

  22nd century

• 2103
• * Earth colonizes Mars
• 2111
• * Jonathan Archer is born in upstate New York on Earth.
• 2119
• *Zefram Cochrane, who now is residing on Alpha Centauri, sets off for parts unknown and disappears. Some thought he was testing a new engine. After an exhaustive search, it is believed that Cochrane has died. He becomes one of the most famous missing people in history.
• 2129
• * Hoshi Sato is born.
• 2142
• * Warp 2 Barrier broken by Commander Robinson in NX Alpha and Warp 2.5 achieved by Commander Archer in NX Beta
• 2145
• * Warp 3 Broken by Commander Duvall in NX Delta
• 2150
• * Keel laid for Enterprise
• 2151–2155
• * The events of ' take place.'''
• 2156–2160
• * The Earth-Romulan War is fought between United Earth and its allies, and the Romulan Star Empire. The war ends with the Battle of Cheron, which results in Earth inflicting a humiliating defeat to the Romulans, to such a degree that the Empire still considers the battle an embarrassment over 200 years later. The Romulan Neutral Zone is established.
• 2161
• *The United Federation of Planets is founded by Earth, Tellar, Andoria, and Vulcan.
• 2165
• * Sarek, Federation diplomat and father of Spock, is born on Vulcan.
• 2160s to 2196
• * The Daedalus class starship is active.

  23rd century

• 2222
• * Montgomery Scott is born in Scotland.
• 2226
• * Michael Burnham is born on Earth.
• 2227
• *Leonard McCoy is born in Georgia, North America on Earth.
• 2230
• *Spock, the son of Sarek and the human Amanda Grayson, is born on Vulcan.
• *Hikaru Sulu is born in San Francisco, North America on Earth.
• 2233
• * James T. Kirk is born in Riverside, Iowa on Earth.
• 2233
• * James T. Kirk is born aboard a shuttlecraft from the USS Kelvin.
• * James T. Kirk's father, George Kirk, is killed.
• * Nyota Uhura is born in the United States of Africa. This fits with the alternate timeline, unlike her alternate birth date of 2239, for the latter would suggest her only being nineteen in the film.
• 2241
• * Pavel Chekov born in Russia on Earth
• 2245–2250
• * The USS Enterprise, a Constitution class vessel is launched under the command of Robert April, on a five-year mission of exploration. In the alternate timeline created by Nero's attack on the USS Kelvin, the Enterprise is still under construction in 2255 and is not launched on her maiden voyage until 2258.
• 2245
• * Pavel Chekov is born to Russian parents. In the alternate timeline created by Nero's attack on the USS Kelvin, Chekov is only eight years younger than James T. Kirk, implying a birthdate of 2241.
• 2250
• * After a refit, the USS Enterprise is launched on a second five-year mission. Command of the ship is assigned to Captain Christopher Pike.
• 2254
• * The events of "The Cage |The Cage".
• 2256-2257
• * The events of ' season 1 take place.
• 2257-2258
• *The events of ' season 2 take place. The USS Discovery & USS Enterprise engage in a pitched battle to neutralise the rogue AI Control. The battle is a success, however the Enterprise falsely reports that the Discovery was lost with all hands to conceal the fact that it travelled 930 years into the future in order to prevent Control from reasserting itself. The Enterprise subsequently undergoes repairs and departs for Edrin II 4 months later.
• 2258
• * The events of Star Trek take place. Nero destroys the planet Vulcan – killing billions, including Spock's mother – as well as 9 Federation starships. The USS Enterprise is launched on her maiden voyage under Captain Christopher Pike. James T. Kirk becomes the ship's new captain shortly afterward. Henceforth, a different timeline is required.
• 2259
• * The events of Star Trek Into Darkness take place.
• 2260
• * The Enterprise is launched on a historic five-year mission.
• 2263
• * The events of Star Trek Beyond take place. The USS Enterprise is destroyed – The USS Enterprise-A is commissioned at Starbase Yorktown as its replacement.
• * Ambassador Spock dies.
• 2261–2264
• * The USS Enterprise undergoes a major refit, increasing its crew complement from 203 to 430.
• 2263
• *Boothby, groundskeeper and counselor at Starfleet Academy, is born.
• 2265–2270
• *Following the promotion of Christopher Pike, Captain James T. Kirk is assigned command of the Enterprise on a historic five-year mission.
• 2265
• * The events of "Where No Man Has Gone Before".
• 2266–2269
• * The events of ' take place.
• 2269-2270
• * The events of ' take place.
• 2270
• * The USS Enterprise returns from its five-year mission under the command of Captain James T. Kirk and enters major refit while Kirk is promoted to Admiral at Starfleet Command.
• 2273
• * The events of '.
• 2273-2278
• * The upgraded USS Enterprise embarks on a five-year mission under the command of Admiral James T. Kirk.
• 2279
• * Around this time the USS Enterprise is retired from active duty and assigned as a training vessel in orbit of Earth.
• 2285
• * The events of '.
• * The events of '. The USS Enterprise is destroyed to prevent it from falling into Klingon hands.
• 2286
• * The events of '.
• * The newly refit USS Yorktown is renamed the USS Enterprise and is launched on its maiden voyage.
• 2287
• * The events of '.
• 2293
• * The events of '. The Enterprise-A is slated to be decommissioned shortly afterwards.
• * The opening events of Star Trek Generations. The USS Enterprise is launched under the command of John Harriman. While responding to a distress call, the Enterprise'' is struck by a discharge from the Nexus which breaches the hull and James T. Kirk is presumed killed in the blast.

  24th century

• 2305
• * Jean-Luc Picard is born in LaBarre, France on Earth.
• 2311
• * The Tomed Incident.
• 2324
• * Beverly Howard is born in Copernicus City, Luna.
• 2327
• * Jean-Luc Picard graduates from Starfleet Academy on Earth.
• 2332
• * Benjamin L. Sisko is born in New Orleans, Louisiana on Earth.
• 2333
• * Jean-Luc Picard becomes captain of the USS Stargazer.
• 2335
• * Geordi La Forge is born in the African Federation, Earth
• * William T. Riker is born in Valdez, Alaska on Earth.
• 2336
• *Deanna Troi is born on Betazed.
• * Kathryn Janeway is born in Bloomington, Indiana on Earth.
• 2337
• * Tasha Yar is born in a failed Federation colony on Turkana IV.
• 2340
• * Worf, son of Mogh, is born on the Klingon homeworld, Qo'noS.
• 2341
• * Julian Bashir is born.
• 2343
• * The Galaxy class development project is officially given the greenlight by Starfleet Command.
• 2344
• * The Enterprise-C, under the command of Captain Rachel Garrett, is destroyed defending a Klingon settlement on Narendra III under attack from Romulans.
• * Due to the Enterprise-Cs sacrifice, a new era of more open communication begins between the Federation and the Klingon Empire, leading to a formalized alliance.
• 2345
• *Sela, daughter of Natasha Yar is born.
• 2346
• * Worf's parents are killed by Romulans in the Khitomer massacre. Worf is adopted by human parents.
• 2349
• * Annika Hansen is born in Tendara Colony, to Magnus and Erin Hansen.
• 2355
• * Magnus, Erin, and Annika Hansen are assimilated by the Borg while on a research mission in the Delta quadrant.
• 2357
• * Worf is the first Klingon to enter Starfleet Academy.
• * USS Galaxy, the prototype Galaxy class is launched.
• 2363
• * USS Enterprise, the third Galaxy class starship is launched from the Utopia Planitia shipyards in Mars orbit, and becomes the Federation's new flagship.
• 2364–2370
• * The events of .
• 2367
• * The Borg assimilate Captain Jean-Luc Picard – the Battle of Wolf 359 is fought 7.7 light years from Earth in Sector 001. The battle results in the loss of 39 Starfleet vessels and over 11,000 lives. Benjamin Sisko aboard the USS Saratoga was a participant in the battle and was one of the few survivors alongside his son Jake Sisko. With the task force lost, the Borg continue to Earth. Picard is rescued and the Borg cube is destroyed via the actions of the crew of the Enterprise-D.
• 2369–2375
• * The events of '.
• 2370
• * The USS Defiant, a mothballed prototype originally designed to fight the Borg, is commissioned into active service and is assigned to Benjamin Sisko to help protect DS9. Due to the Defiant being over-powered and over-gunned for its size, several flaws in the ship's design require attention before it reaches a fully operational status. The Defiant is officially classed as an escort vessel, however unofficially it is considered a warship built purely for combat.
• 2371
• * The events of Star Trek Generations. The USS Enterprise is destroyed – the stardrive section by a warp core breach; the saucer section containing the crew makes a forced landing on Veridian III. The ship is subsequently declared a total loss. James T. Kirk reappears from the temporal continuum in which he had been since his disappearance in 2293; Kirk is killed on Veridian III.
• 2371–2378
• * The events of .
• * "Caretaker |Caretaker": the USS Voyager is stranded in the Delta Quadrant.
• 2372
• * Sovereign-class USS Enterprise launched under the command of Captain Jean-Luc Picard
• 2373
• * The events of '. The Battle of Sector 001 occurs with a Starfleet Task Force engaging in a running battle with a Borg cube en-route to Earth. The USS Enterprise follows a Borg sphere through a temporal rift and events shift at that point to 2063.
• *Still unaware that the USS Voyager is stuck in the Delta Quadrant, Starfleet officially declares the ship lost with all hands.
• 2373–2375
• * Tensions between the Alpha and Gamma quadrants erupt into open warfare, igniting the Dominion War fully.
• 2375
• * The USS Defiant is destroyed. Several weeks later, DS9 receives a replacement Defiant Class vessel, the USS Sáo Paulo. Captain Sisko is granted special permission by Starfleet to rename the vessel to Defiant.
• *After devastating losses on both sides, The Federation, alongside the Romulan and Klingon Empire make a final push against the Dominion resulting in the Battle of Cardassia. The Dominion subsequently surrenders to the Federation.
• * The events of '. Dialogue in this film and in the DS9 finale "What You Leave Behind" place the chronology of this film as during that episode, after the final battle of the war but before the treaty signing ceremony. Most notable in the film is Worf's ability to leave the station to join the Enterprise, as well as a line about Federation diplomats being involved in Dominion negotiations, and the Federation's willingness to work with the Son'a, who are established as a Dominion ally during the war.
• 2378
• * With the help of Admiral Janeway, the USS Voyager returns to the Alpha Quadrant.. Tom Paris' and B'Elanna Torres's daughter was born.
• 2379
• * The events of ', resulting in the death of Lieutenant Commander Data.
• * Discovery of previously unknown Android named "B-4", a prototype android similar in design to Lt. Commander Data but with a notably less advanced Positronic Network.
• 2385, First Contact Day
• *The Utopia Planitia Fleetyards on Mars are sabotaged and subsequently destroyed by rogue synthetics in a surprise attack. The battle results in the loss of 92,143 lives, the planet itself being considered destroyed as the stratosphere was ignited and the destruction of the rescue armada to evacuate Romulus. In the aftermath of the attack, the Federation, unable to determine how or why the synths went rogue, bans the creation of synthetic lifeforms.
• 2386
• *Lieutenant Icheb is captured and stripped for his Borg parts by Bjayzl, and subsequently euthanized by Seven of Nine.
• 2387
• *A star in the Romulan Empire goes Supernova. Ambassador Spock attempts to counter the resulting shockwave using Red Matter, but is unable to save the planet Romulus from destruction. Spock and the Romulan mining ship Narada, commanded by Nero, are dragged into a black hole created by the Red Matter detonation and arrive in the past. Nero's arrival in 2233 and subsequent attack on the USS Kelvin creates the Kelvin Timeline.
• 2394
• * Voyager returns to the Alpha Quadrant in the beginning of ' series finale. This sets in motion events which Kathryn Janeway becomes dissatisfied with and begins laying plans to eventually change the timeline and send Voyager home sooner.
• 2395
• * The "Future" in the ' series finale
• 2399–
• * The events of Star Trek: Picard.

  25th century

• 2404
• * The original timeline split in the series finale, where Admiral Janeway goes back 26 years to the Delta Quadrant and secures Voyager's earlier return to the Alpha Quadrant. This begins a new timeline.

  26th century

• c. 2540–2550
• * The Starship Enterprise-J is commissioned and takes part in the Battle of Procyon V against the Spherebuilders as shown in episode "Azati Prime".

  27th century

• Temporal Cold War – First established in the pilot episode of Star Trek: Enterprise and recurring until the series' fourth season premiere, it is a struggle between those who would alter history to suit their own ends and those who would preserve the integrity of the original timeline.

  29th century

• The Aeon-type timeship is in active service during this century, as is the Wells-class timeship Relativity.

  31st century

• The main plot of the ' episode "Living Witness" takes place sometime around 3074, and the final scene takes place "many years" after that.
• Episodes with time traveler Daniels from '
• * "Cold Front |Cold Front", "Shockwave |Shockwave", "Azati Prime"

  32nd century

• 3186
• * This is the year Gabrielle Burnham arrived in after using the Red Angel suit to escape a Klingon attack on her home.
• *This is the same year Star Trek: Discovery season 3 will be set.

  33rd century

• episode "Calypso" takes place sometime during this century. By Star Trek's fictional chronology, this is the last episode of all the seven series.

  History of the chronology

Original series

Early chronologies

• The sub-warp ship the UNSS Icarus makes first contact with Alpha Centauri in 2048, and there meets Zefrem Cochran , who has invented warp drive.
• The first Earth warp ship, the Bonaventure makes its first voyage, to Tau Ceti, in 2059.
• The first contact with Vulcans is in 2063.
• The Federation is formed in 2087.
• The Earth-Romulan War occurs in the 2100s.
• First contact with the Klingon Empire in 2151.
• The first Constitution-class starship is launched in 2188.
• The USS Enterprises under Captain Kirk lasts from 2207 to 2212.
• The events of ' occur in 2217.
• The events of ' occur around 2222.
• The events of ' occur on September 21, 2222.

• Y1 – Warp drive is developed on Earth.
• Y4 – Federation is formed by Earth, Vulcan, Andoria, Alpha Centauri.
• Y40-Y46 – Earth-Romulan War.
• Y71 – Starfleet is formed.
• Y126 – The Constitution-class is launched.
• Y154–159 – The events of the Original Series.

TNG era and Okuda

• Zephram Cochrane invents warp drive around 2061
• the Romulan War takes place in the 2150s
• the Federation is formed in 2161, after the Romulan War, on the basis that "Balance of Terror" says that it was an Earth-Romulan war, not a Federation-Romulan War
• the first Constitution class starship is launched in 2244, followed by the Enterprise in 2245
• Kirk's lasts from 2264 to 2269, based on the assumption that the original series is set exactly 300 years after its original broadcast.
• * aired live-action Star Trek episodes are dated from 2266 to 2269. The chronology does not include the events of '. This is in keeping also with Gene Roddenberry's concept that Star Trek's first season takes place after the mission has been under way for some time.
• * An episode of '—"Q2 |Q2"—, aired after the Chronology was published, established that Kirk's five-year mission actually ended in 2270.
• the events of ' take place in 2271
• * The "Q2 |Q2" dating for Kirk's five-year mission, moves the first film to c. 2273.
• Numerous sources, including the Chronology, postulate a second five-year mission under now-Admiral Kirk's command began soon after the events of the first movie; in part this is to take into account the unproduced revival series.
• the events of ' and ' take place in 2285
• *The Wrath of Khan is a sequel to the episode "Space Seed", which Okuda dates to 2267. In Okuda's timeline there is a gap of eighteen years rather than the fifteen years established in dialog. The film was released in 1982, fifteen years after the episode's broadcast in 1967. The film begins on Kirk's birthday, which is semi-canonically established as March 22, the same as William Shatner.
• the events of ' take place in 2286
• *This places Star Trek III in late 2285, as Kirk states in his log that the Enterprise crew has been on Vulcan for "three months" since bringing Spock home
• the events of ' take place in 2287
• the events ' take place in 2293, based on McCoy's statement that he had served on the Enterprise for 27 years, and his absence in "Where No Man Has Gone Before"
• The Kirk-era part of Star Trek Generations is set 78 years before 2371, thus is set in 2293 and soon after Star Trek VI

Eugenics Wars and World War III

Cochrane