| Year | Event | ||||||
| 2102 | |||||||
| 2103 |
● [5]
The ECS Horizon is built. It is rumoured that Zefram Cochrane signed the casing of the warp reactor. [5]
| ||||||
| 2105 |
● [9]
Eight women are knifed to death by an unknown assailant on the Martian colony. The murders go unsolved until it is later found that Redjac committed them. [9]
|
| Year | Event | ||||||
| 2113 | |||||||
| 2114 | |||||||
| 2119 |
● [13]
The Warp 5 complex is founded on Earth, dedicated to building a warp engine capable of reaching over one hundred times the speed of light. Zefram Cochrane, now a resident of Alpha Centuri, departs on a trip into deep space afterwards. He vanishes, and is eventually presumed to have died in space. [14]
|
| Year | Event | ||||||
| 2120 | |||||||
| 2121 |
● [16]
Warp specialist Henry Archer enjoys a day at the beach with his son Jonathan, teaching him to fly a remote controlled model spacecraft. Archer imparts the lesson that Jonathan must not be afraid to take on the elements when flying, advice that he would remember as Captain of the NX-01 thirty years later. [14]
| ||||||
| 2122 | |||||||
| 2123 | |||||||
| 2126 | |||||||
| 2128 | |||||||
| 2129 |
● [22]
Hoshi Sato is born on 9th July, the second child in a family of three. [23]
|
| Year | Event | |||||||||
| 2130 | ||||||||||
| 2132 | ||||||||||
| 2133 |
● [27]
A Klingon ship emerges from the Delphic Expanse, the crew still alive despite having been anatomically inverted. Even in 2153 Klingons will still fear the Expanse because of this incident. [27]
● [28]
Dr. Arik Soong steals a number of genetically engineered embryos from Cold Station 12. [29]
| |||||||||
| 2135 |
● [30]
T'Pol graduates from the Vulcan Ministry of Security. Her first assignment is to capture seven Vulcan agents who have refused to leave the planet Agoran. T'Pol captures five of the agents, and is forced to kill the sixth. The seventh, Menos, escapes. Guilty at her actions, T'Pol leaves the Ministry of Security and spends time at the monastery on P'Jem. [30]
| |||||||||
| 2136 | ||||||||||
| 2137 |
● [32]
An artifact is uncovered on Vulcan by Syrran. The artifact bears Surak's katra, which Syrran is able to recover. [32]
|
| Year | Event | |||||||||||||||||||||
| 2141 | ||||||||||||||||||||||
| 2142 | ||||||||||||||||||||||
| 2143 |
● [37]
Archer meets Trip for the first time whilst serving as an engineer on the NX test program. [37]
● [38]
Archer becomes the pilot of the second successful warp 2 flight. Although the flight is unauthorised and takes place over the objections of the Vulcan advisors, the success leads to the engine design being approved for further development. [38]
| |||||||||||||||||||||
| 2144 |
● [40]
Phlox speaks to his son Mettus for the last time prior to 2153, the two having fallen out over Phlox's attitude towards the Antarans. [40]
● [41]
The Vulcan ship Vahklas leaves the planet with a group of V'tosh ka'tur - 'Vulcans without logic' - who are experimenting with creating a new lifestyle for themselves. [41]
● [42]
The Suliban begin to launch a series of attacks against the Tandarans. [42]
● [43]
Dr. Arik Soong is captured and imprisoned. He refuses to say what he did with the genetically engineered embryos he stole from Cold Station 12 more than a decade before. [29]
| |||||||||||||||||||||
| 2145 |
● [44]
Lela dies. The Dax symbiont is joined to Tobin. He subsequently becomes a mathematician and engineer. [45]
● [46]
The Borg assimilate Species 262, a primitive species which posessed some legends of a substance which could burn the sky. The Borg followed this trail to a dozen other species, eventually discovering the Omega molecule. [46]
● [47]
A Xindi insectoid born in this year will be killed when his ship crashes in 2154. [47]
| |||||||||||||||||||||
| 2147 | ||||||||||||||||||||||
| 2148 | ||||||||||||||||||||||
| 2149 |
| Year | Event | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 2150 |
● [56]
Captain Archer requests a personal evaluation from the former commanding officers of the candidates he is reviewing for the position of helm officer. Ensign Mayweather's father responds with a single line claiming that his son is the most natural rudder and stick man he has ever known, and Archer would be a fool not to select him. The letter wins Mayweather the post. [56]
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 2151 |
● [14]
Archer becomes captain of Enterprise, NX-01, the first Human warp 5 capable vessel. His crew includes Trip Tucker as Chief Engineer, Reed as Armoury Officer, Mayweather as Helmsman, T'Pol as Science officer, Phlox as Chief Medical officer, and Hoshi as Linguist and Communications officer. [14]
● [37]
Enterprise embarks on its maiden voyage, returning the Klingon Klaang to his home world. This marks the first contact between Humanity and the Klingons. Although apparently successful at the time [14], the contact ultimately proves disastrous and leads to decades of hostilities between the two powers. [57]
● [58]
The NX-01 makes first contact with the Axanar. [58]
● [14]
Trip becomes the first Human male to become pregnant after an encounter with a Xyrillian woman. [37]
● [59]
Enterprise travels to Terra Nova, Earth's first extrasolar colony, and contacts the descendants of the original colonists. [59]
● [60]
Archer reveals the existence of a secret Vulcan intelligence installation beneath the Vulcan monastery at P'Jem to the Andorians. Shortly afterwards they destroy both the monastery and the base beneath. [60]
● [61]
Enterprise rescues a Klingon scoutship from a gas giant planet. The action does little to endear the crew to the Klingons. [61]
● [62]
Silik infiltrates the NX-01 whilst it is observing the great Plume of Agosoria. He sabotages the ship in order to save it from an accident which would otherwise have destroyed it. Archer attempts to capture Silik with the assistance of Daniels, but fails. [62]
● [34]
The NX-01 encounters a group of Vulcans who believe in experiencing emotions. T'Pol is forced to undergo a mind meld by one of the group, contracting Pa'nar Syndrome in the process. [34]
● [63]
The NX-01 encounters a rogue planet drifting between star systems. First contact with both the Eska and Wraiths on the planet. [63]
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 2152 |
● [65]
The NX-01 Enterprise visits Risa, the first Human vessel to do so. Half of the crew have the opportunity to enjoy two days and nights of shore leave on the planet. [65]
● [66]
Enterprise wanders into a cloaked minefield; first contact between Humanity and the Romulan Star Empire. [66]
● [67]
The NX-01 visits the Kretassian homeworld. Despite some minor diplomatic embarrasments, the visit is ultimately successful. [67]
● [68]
T'Pau travels to the T'Karath sanctuary in The Forge. She remains here continuously for at least the next two years. [68]
● [69]
First contact between Humanity and the Retellian species occurs when the NX-01 encounters a Retellian ship. The contact turns sour when the Retellians are found to be kidnappers smuggling a victim. [69]
● [69]
First contact between Humanity and the Kriosian species occurs when the NX-01 encounters a Retellian ship. The contact turns sour when the Retellians are found to be kidnappers smuggling a Kriosian Princess. The NX-01 is able to rescue the Princess and return her to her people. [69]
● [70]
First contact with the Takret. The crew of the NX-01 are forced to shelter in the ship's nacelles when an energy storm threatens the ship. The Takret military makes an unsuccessful attempt to steal the ship during the storm. [70]
● [71]
The NX-01 visits Dekendi III for an inter-species medical conference. Phlox attempts to gain access to information concerning Pa'nar Syndrome in order to facilitate his treatment of T'Pol. The attempt fails, and T'Pol is almost expelled from the High Command for participating in a mind meld. When it is revealed that the meld was against her will, she is allowed to retain her post. [71]
● [72]
Captain Archer negotiates a ceasefire between the Vulcans and Andorians, resolving the Weytahn / Pan Mokar crisis. This marks the first time Humans are able to provide major assistance to the Vulcans. [72]
● [73]
The NX-01 apparently causes the destruction of a Paraagan mining colony with the loss of over 3,000 lives. Captain Archer is able to prove that the Suliban actually caused the explosion. Captain Archer is taken into the future by Daniels; the NX-01 is subsequently captured briefly by the Suliban, but escapes with archer's help. [73]
● [74]
The NX-01 discovers a disabled vessel drifting in space. The ship proves to be from the future; in spite of considerable interference from the Tholians and Suliban, Archer is successful in returning the vessel to its rightful owners. [74]
● [3]
Captain Archer is captured by the Klingons and charged with assisting a group of rebels. His advocate, Kolos, is unable to save him despite considerable evidence in his favour. Convicted, he is sent to Rura Pente but subsequently escapes thanks to some bribery by the NX-01 crew. [3]
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 2153 |
● [75]
Travis Mayweather visits his home ship, the ECS Horizon, for the first time since leaving to join Starfleet. He is saddened to learn of his father's recent death. [75]
● [76]
A group of Borg which have been frozen on Earth's polar region since being destroyed by the Enterprise-E in 2063 are revived by a team which is investigating the debris. They assimilate the investigators and escape the planet, but are subsequently destroyed by the NX-01 [76]
● [77]
A Xindi attack on Earth kills 7 million people, including Trip's sister Elizabeth. Enterprise is recalled and sent to the Delphic Expanse to investigate the origin of the Xindi weapon and prevent further attacks. [77]
● [77]
T'Pol resigns from the Vulcan High Command to take part in Enterprise's mission to the Delphic Expanse. [77]
● [78]
The Enterprise discovers the Vulcan ship Seleya adrift in the expanse, it's crew driven insane by the effects of Trellium-D. T'Pol also experiences the effects of the substance when she boards the ship [78]; she becomes a habitual user of it afterwards. [79]
● [80]
The NX-01 discovers a Xindi outpost which is assisting in the construction of the weapon intended to destroy Earth. Archer manages to convince the leader of the facility to sabotage his next shipment. [80]
● [81]
The NX-01 encounters a group of Humans who have lived on a planet in the Delphic Expanse for more than a centry after being abducted from Earth by the Skagarans. The humans had since overthrown the Skagarans, who were treated as second class citizens. [81]
● [82]
When Trip is badly injured in an accident, Phlox creates a replica of him from a Lyssarian desevae in order to harvest neural tissue, in spite of the fact that the replica is a sentient being who will be killed by the procedure. The replica, named Sim, enjoys a brief romantic attraction to T'pol before his death. [82]
● [83]
The prototype Xindi weapon fails a test firing thanks to the sabotage arranged by Captain Archer. Archer's attempt to steal the weapon fails, but he is able to acquire detailed scans of the device thanks to some help from Shran. [83]
● [84]
The NX-01 discovers a sentient being adrift in a pod within a super-anomaly. This marks first contact with the Sphere Builders. [84]
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 2154 |
● [85]
The NX-01 is badly damaged by the Xindi whilst attempting to destroy the final version of the weapon at Azati Prime. Thanks to Daniels' intervention, Archer is able to convince Degra that Humanity may not be responsible for the destruction of the Xindi Homeworld in the future. [85]
● [86]
Hoshi is kidnapped by the Xindi Reptillians. [87] Major Hayes is killed during a successful rescue attempt by the MACOs. [86]
● [88]
Captain Archer destroys the Xindi weapon as it approaches Earth. [88]
● [88]
NX-01 Enterprise destroys the sphere network maintaining the Delphic Expanse. [88]
● [88]
In the aftermath of the defeat of the Sphere Builders, the NX-01 is returned to Earth by the Xindi. As the ship arrives it is sent into the past [89] by Daniels in order to combat the Na'kuhl's disruption of Earth's timeline. Daniels is killed in the process by unknown causes. Unknownst to the crew, Silik stows away on the ship when it travels to 1944. [89]
● [90]
The NX-01 returns from 1944 safely, having defeated the Na'kuhl and ended the Temporal Cold War. The destruction of the Na'kuhl time machine restores the timeline, resurrecting Daniels. [90] Silik is killed in the past during the mission. [91]
● [29]
A group of genetically engineered Humans steal a Klingon bird of prey, murdering the crew in the process. The NX-01 is sent to capture the Augments. During the mission, several of the crew are captured by Orion slavers but subsequently rescued successfully. [29]
● [92]
The Augmented Humans assault Cold Station 12, stealing samples of various deadly diseases. [92]
● [93]
Captain Archer is able to destroy the stolen Bird of Prey, killing the Augments. [93]
● [94]
The Earth embassy on Vulcan is badly damaged by a terrorist bomb, killing doezens of people - including Admiral Forrest. Although the Syrrannites are initially blamed [94], it is discovered that administrator V'Las is actually responsible for the crime as part of his campaign to discredit and destroy the Syrrannites in preparation for his planned war against the Andorians. [68] Although the attack on Andoria does begin, V'Las is deposed and the attack halted. [95]
● [36]
Shran's ship, the Kumari, is destroyed, apparently by a Tellarite ship. Further investigation reveals that the attacker was in fact a Romulan drone ship designed to mimic other vessels. [36] Captain Archer is able to gather a multi-species fleet to track down the drone ship. [96] He is ultimately able to destroy it. [97]
● [98]
The Klingons begin to experiment with captured DNA from Human Augments. An accidental by-product of the experiment is a deadly disease which spreads rapidly to large numbers of Klingons. [98] Phlox is able to cure the lethal phase of the disease, but can do nothing about the early stages - a sympton of which is the loss of the characteristic Klingon forehead ridges. Many millions of Klinons are expected to lose their ridges over the following months. [99]
● [7]
The Orions attempt to capture the NX-01 by infiltrating the ship with three females. The attempt fails. Commander Tucker returns to the ship as Chief Engineer. [7]
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 2155 |
● [100]
John Frederick Paxton comandeers the Verteron array on Mars and attempts to use it to blackmail Earth into severing all relations with alien species. [100] The attempt fails when Captain Archer infiltrates Paxton's ship. [101]
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 2156 |
● [104]
The USS Columbia is attacked by Romulan warships whilst escorting a convoy of civilian vessels. Badly damaged, the Columbia is forced to travel on high impulse to a nearby star system. The ship will take 12 years to reach the system, although time dilation effects mean that only two months pass for the Columbia. [104]
● [9]
Two women are knifed to death in Heliopolis City on Alpha Eridani II. Unsolved at the time, it is later discovered that the entity known as Redjac committed them. [9]
| ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| 2158 |
| Year | Event | |||||||||
| 2160 | ||||||||||
| 2161 |
● [109]
Charles Tucker dies, sacrificing himself to defeat a criminal gang who boarded the Enterprise. [109]
● [110]
The United Federation of Planets is formed by the Human, Vulcan, Andorian and Tellarite governments. [85]
| |||||||||
| 2162 | ||||||||||
| 2164 | ||||||||||
| 2165 | ||||||||||
| 2167 |
● [119]
The Starship Archon visits the planet Beta III in the C-111 system. The ship is destroyed by Landru, the planets controlling computer system. [119]
| |||||||||
| 2168 |
● [123]
The Starship Horizon visits Sigma Iotia II, a planet lying about one hundred light years beyond Federation space. The crew leaves behind a copy of the book Chicago Mobs of the Twenties; unfortunately the natives come to regard the book as a blueprint for the ideal society. They subsequently remould their world into a close approximation of the book. [123]
● [124]
Settlers from Earth establish a colony on the planet Moab IV. They create a sealed biosphere in which they plan to create an ideal society using genetic engineering. [124]
● [104]
The USS Columbia arrives at its destination, discovering a highly advanced alien species there. A native, Inyx, informs them that the planet is named Erigol, home-world of the Caeliar. The Caeliar are extreme isolationists, determined that outsiders will never know of their existence. As a result, they imprison the remaining Columbia crew on Erigol. [104]
● [104]
Several of the Columbia MACOS rebel against Captain Hernandez, determined to escape from the Caeliar. They use Caeliar subspace tunnel technology in an attempt to escape and go back in time to 2156. During the attempt a powerful feedback signal from another galaxy causes a disaster, destroying Erigol and most of the Caeliar population. The Columbia is thrown through space to the Delta Quadrant; Axion, a surviving Caeliar city where Inyx and Captain Hernandez are located, is thrown 650 years, 7 months, 8 days, 11 hours and 43 minutes into the past. [104] A remnant of another city, Mantilis, with a small group of surviving Caeliar and MACOs, is thrown into the Delta Quadrant almost 6,700 years into the past. [125]
| |||||||||
| 2169 |
● [126]
A new type of impulse engine is adopted. The basic design of impulse drive remains unchanged for at least two centuries. [126]
● [127]
Jonathan Archer becomes Ambassador to Andoria. [23]
● [15]
An alien spacecraft lands on the Vanguard asteroid. It is quickly attacked and crippled by the inhabitants. The vessel’s power system, warp drive and gravity plating are all captured intact. Study of these systems will allow the “Vangar” inhabitants, who refer to themselves as the Neyel, to reproduce the technologies over the following decades. [15]
|
| Year | Event | |||
| 2170 | ||||
| 2172 | ||||
| 2175 |
● [127]
Jonathan Archer steps down as Ambassador to Andoria and is elected as a Federation Councilman. [23]
| |||
| 2177 |
● [132]
A civil war begins on the planet Gallonik III. The war was caused because the first treaty of global alliance contained a single misstatement, in the articles dealing with territorial sovereignty. This contained conflicting geographical coordinates in a section which established the borders between two rival sentient species. Historians would later judge that this was a simple transcription error. Seven hundred and thirty eight million Gallonikans were killed in the subsequent war. In 2265, Ambassador Jetanien would call the mistake one of the most picayune clerical blunders in recorded history. [132]
|
| Year | Event | |||
| 2183 | ||||
| 2184 |
● [127]
Jonathan Archer becomes President of the United Federation of Planets. [127]
|
| Year | Event | |||
| 2192 |
● [127]
Jonathan Archer steps down as Federation President after eight years. [23]
| |||
| 2196 |
| Canon source | Backstage source | Novel source | DITL speculation |
| # | Series | Season | Source | Comment |
| 1 | ENT | 2 | Cease Fire | Soval says he has not fired a weapon in 50 years |
| 2 | ENT | 2 | Judgment | Kolos said he had been an advocate for 50 years |
| 3 | ENT | 2 | Judgment | |
| 4 | VOY | 2 | The 37's | |
| 5 | ENT | 2 | Horizon | The ship is said to be 50 years old |
| 6 | ENT | 4 | Bound | T'Pol said this happened over 50 years ago - this is 51 years before the episode. |
| 7 | ENT | 4 | Bound | |
| 8 | TOS | 1 | This Side of Paradise | |
| 9 | TOS | 2 | Wolf in the Fold | said by computer |
| 10 | ENT | 2 | Cease Fire | The agreement is said to have taken 8 years to agree |
| 11 | Star Trek : First Contact | |||
| 12 | ENT | 3 | Damage | Phlox says he has been a medic for 40 years |
| 13 | ENT | 1 | Broken Bow | At the Enterprise launching ceremony in 2151 the complex was stated to have been founded 32 years ago |
| 14 | ENT | 1 | Broken Bow | |
| 15 | The Sundered | |||
| 16 | ENT | 1 | Broken Bow | Stated to be thirty years prior to the episode date of 2151 |
| 17 | ENT | 2 | The Seventh | T'Pol says this happened 30 years ago. Note that she claimed to be too young to be one of the agents, though she was 34 at this time according to 'Zero Hour'. It may be that Vulcans of this period considered a person too young for responsibility until some time between 34 and 47, or it may be that T'Pol lied to conceal her true age. |
| 18 | ENT | 4 | The Forge | Phlox said that T'pau was 32 standard years old. I'm presuming standard years equates to Earth years. |
| 19 | TNG | 2 | Up The Long Ladder | |
| 20 | ENT | 2 | Dead Stop | Phlox gives his age |
| 21 | ENT | 1 | Dear Doctor | T'Pol said the treatment was 23 years ago |
| 22 | ENT | 4 | In A Mirror, Darkly Part II | Visible on her onscreen biography |
| 23 | ENT | 4 | In A Mirror, Darkly Part II | |
| 24 | ENT | 1 | Oasis | Said to have happened 22 years before the episode |
| 25 | ENT | 1 | Shockwave, Part 1 | The colony was said to be 20 years old |
| 26 | ENT | 2 | Judgment | Kolos said he had been working in that court for 20 years |
| 27 | ENT | 2 | The Expanse | The incident was said to have happened 20 years ago |
| 28 | ENT | 4 | Borderland | Said to have happened more than 20 years ago - this is 21 years. |
| 29 | ENT | 4 | Borderland | |
| 30 | ENT | 2 | The Seventh | T'Pol describes the events which took place 17 years ago |
| 31 | ENT | 1 | Breaking the Ice | Vanik says he has been captain of the ship for 15 years |
| 32 | ENT | 4 | The Forge | A caption on the screen said this had happened seventeen years ago. |
| 33 | ENT | 1 | Fusion | Admiral Forrest said this had happened 'about ten years ago'. |
| 34 | ENT | 1 | Fusion | |
| 35 | ENT | 4 | Babel One | Shran said this happened 12 years ago |
| 36 | ENT | 4 | Babel One | |
| 37 | ENT | 1 | Unexpected | |
| 38 | ENT | 2 | First Flight | |
| 39 | ENT | 2 | Horizon | Reed says his last family reunion was almost a decade ago; this is 9 years before the episode |
| 40 | ENT | 2 | The Breach | Phlox says he has not spoke to his son in nearly ten years; this is 9 years before the episode |
| 41 | ENT | 1 | Fusion | Eight years before the episode |
| 42 | ENT | 1 | Detained | Said to have happened 8 years ago |
| 43 | ENT | 4 | Borderland | Archer said Soong was captured a decade ago |
| 44 | Speculative | Speculation | ||
| 45 | DS9 | 3 | Facets | |
| 46 | VOY | 4 | The Omega Directive | Seven said this happened 229 years before the episode |
| 47 | ENT | 3 | Hatchery | The Insectoid was said to be almost ten years old; this is 9 years before the episode |
| 48 | ENT | 1 | Vox Sola | |
| 49 | Star Trek : Vanguard, Book 3 - Reap The Whirlwind | He was 118 years old in 2266 | ||
| 50 | Star Trek : Vanguard, Book 3 - Reap The Whirlwind | |||
| 51 | ENT | 1 | Fusion | T'Pol says she lived on Earth for two years before going to Enterprise |
| 52 | ENT | 2 | Horizon | Reed says this happened four years ago |
| 53 | ENT | 2 | Stigma | Phlox says he has not seen his wife in nearly 4 years; this is three years before the episode |
| 54 | TNG | 7 | Attached | |
| 55 | TNG | 7 | Attached | Crusher states that this is when the world government was formed. It is commonly assumed that Crusher indicated that Australia was the last nation to join, but this is not the case. |
| 56 | ENT | 2 | Horizon | Archer says this happened two and a half years ago |
| 57 | TNG | 4 | First Contact | |
| 58 | ENT | 1 | Fight or Flight | |
| 59 | ENT | 1 | Terra Nova | |
| 60 | ENT | 1 | The Andorian Incident | |
| 61 | ENT | 1 | Sleeping Dogs | |
| 62 | ENT | 1 | Cold Front | |
| 63 | ENT | 1 | Rogue Planet | |
| 64 | ENT | 1 | Fallen Hero | |
| 65 | ENT | 1 | Two Days and Two Nights | |
| 66 | ENT | 2 | Minefield | |
| 67 | ENT | 2 | A Night In Sickbay | |
| 68 | ENT | 4 | Awakening | |
| 69 | ENT | 2 | Precious Cargo | |
| 70 | ENT | 2 | The Catwalk | |
| 71 | ENT | 2 | Stigma | |
| 72 | ENT | 2 | Cease Fire | |
| 73 | ENT | 1 | Shockwave, Part 1 | |
| 74 | ENT | 2 | Future Tense | |
| 75 | ENT | 2 | Horizon | |
| 76 | ENT | 2 | Regeneration | |
| 77 | ENT | 3 | The Xindi | |
| 78 | ENT | 3 | Impulse | |
| 79 | ENT | 3 | Damage | |
| 80 | ENT | 3 | The Shipment | |
| 81 | ENT | 3 | Twilight | |
| 82 | ENT | 3 | North Star | |
| 83 | ENT | 3 | Proving Ground | |
| 84 | ENT | 3 | Harbinger | |
| 85 | ENT | 3 | Azati Prime | |
| 86 | ENT | 3 | Countdown | |
| 87 | ENT | 3 | The Council | |
| 88 | ENT | 3 | Zero Hour | |
| 89 | ENT | 4 | Storm Front, Part I | |
| 90 | ENT | 4 | Home | |
| 91 | ENT | 4 | Storm Front, Part 2 | |
| 92 | ENT | 4 | Cold Station 12 | |
| 93 | ENT | 4 | The Augments | |
| 94 | ENT | 4 | The Forge | |
| 95 | ENT | 4 | Kir'Shara | |
| 96 | ENT | 4 | United | |
| 97 | ENT | 4 | The Aenar | |
| 98 | ENT | 4 | Affliction | |
| 99 | ENT | 4 | Divergence | |
| 100 | ENT | 4 | Demons | |
| 101 | ENT | 4 | Terra Prime | |
| 102 | ENT | 4 | These Are The Voyages... | T'Pol said this had been over for six years |
| 103 | ENT | 4 | These Are The Voyages... | Shran said this happened five years ago |
| 104 | Star Trek : Destiny, Book 1 - Gods of Night | |||
| 105 | Star Trek Chronology | second edition, page 32 | ||
| 106 | ENT | 4 | These Are The Voyages... | Shran was said to have died three years ago |
| 107 | Star Trek Chronology | second edition, page 33 | ||
| 108 | ENT | 4 | These Are The Voyages... | Shran said they had located him six months ago |
| 109 | ENT | 4 | These Are The Voyages... | |
| 110 | TNG | 5 | The Outcast | |
| 111 | Star Trek Beyond | Somewhat speculative - after the formation of the Federation in 'The early 2160s' | ||
| 112 | Star Trek Beyond | |||
| 113 | Speculative | Scotty states that this happened in 'The Earth 2160s' Could be anything from 2161 to 2163. | ||
| 114 | TNG | 1 | Symbiosis | Two hundred years ago. |
| 115 | Star Trek - Rise of the Federation, Book 2 : Tower of Babel | |||
| 116 | TOS | 2 | Journey to Babel | |
| 117 | TNG | 2 | Q Who | Q said their dealings were two centuries ago |
| 118 | TOS | 1 | Operation: Annihilate! | |
| 119 | TOS | 1 | The Return of the Archons | |
| 120 | TNG | 5 | Power Play | |
| 121 | Speculative | Hoshi's onscreen biography in "In a Mirror, Darkly, Part II" says this happened in her late thirties. She would be 38 at this point. | ||
| 122 | ENT | 4 | In A Mirror, Darkly Part II | Stated on her onscreen biography |
| 123 | TOS | 2 | A Piece of the Action | |
| 124 | TNG | 5 | The Masterpiece Society | |
| 125 | Star Trek : Destiny, Book 3 - Lost Souls | |||
| 126 | TNG | 6 | Relics | |
| 127 | ENT | 4 | In A Mirror, Darkly Part II | Date shown on his onscreen biography |
| 128 | TNG | 3 | Evolution | |
| 129 | TNG | 7 | Journey's End | |
| 130 | DS9 | 4 | Accession | Two hundred years ago. |
| 131 | DS9 | 4 | The Quickening | Two hundred years ago. |
| 132 | Star Trek : Vanguard, Book 1 - Harbinger |
| Series : | ENT Season 2 |
| Episode : | Cease Fire |
| Comment : | Soval says he has not fired a weapon in 50 years |
| Series : | ENT Season 2 |
| Episode : | Judgment |
| Comment : | Kolos said he had been an advocate for 50 years |
| Series : | ENT Season 2 |
| Episode : | Judgment |
| Series : | VOY Season 2 |
| Episode : | The 37's |
| Series : | ENT Season 2 |
| Episode : | Horizon |
| Comment : | The ship is said to be 50 years old |
| Series : | ENT Season 4 |
| Episode : | Bound |
| Comment : | T'Pol said this happened over 50 years ago - this is 51 years before the episode. |
| Series : | ENT Season 4 |
| Episode : | Bound |
| Series : | TOS Season 1 |
| Episode : | This Side of Paradise |
| Series : | TOS Season 2 |
| Episode : | Wolf in the Fold |
| Comment : | said by computer |
| Series : | ENT Season 2 |
| Episode : | Cease Fire |
| Comment : | The agreement is said to have taken 8 years to agree |
| Film: | Star Trek : First Contact |
| Series : | ENT Season 3 |
| Episode : | Damage |
| Comment : | Phlox says he has been a medic for 40 years |
| Series : | ENT Season 1 |
| Episode : | Broken Bow |
| Comment : | At the Enterprise launching ceremony in 2151 the complex was stated to have been founded 32 years ago |
| Series : | ENT Season 1 |
| Episode : | Broken Bow |
| Novel : | The Sundered |
| Series : | ENT Season 1 |
| Episode : | Broken Bow |
| Comment : | Stated to be thirty years prior to the episode date of 2151 |
| Series : | ENT Season 2 |
| Episode : | The Seventh |
| Comment : | T'Pol says this happened 30 years ago. Note that she claimed to be too young to be one of the agents, though she was 34 at this time according to 'Zero Hour'. It may be that Vulcans of this period considered a person too young for responsibility until some time between 34 and 47, or it may be that T'Pol lied to conceal her true age. |
| Series : | ENT Season 4 |
| Episode : | The Forge |
| Comment : | Phlox said that T'pau was 32 standard years old. I'm presuming standard years equates to Earth years. |
| Series : | TNG Season 2 |
| Episode : | Up The Long Ladder |
| Series : | ENT Season 2 |
| Episode : | Dead Stop |
| Comment : | Phlox gives his age |
| Series : | ENT Season 1 |
| Episode : | Dear Doctor |
| Comment : | T'Pol said the treatment was 23 years ago |
| Series : | ENT Season 4 |
| Episode : | In A Mirror, Darkly Part II |
| Comment : | Visible on her onscreen biography |
| Series : | ENT Season 4 |
| Episode : | In A Mirror, Darkly Part II |
| Series : | ENT Season 1 |
| Episode : | Oasis |
| Comment : | Said to have happened 22 years before the episode |
| Series : | ENT Season 1 |
| Episode : | Shockwave, Part 1 |
| Comment : | The colony was said to be 20 years old |
| Series : | ENT Season 2 |
| Episode : | Judgment |
| Comment : | Kolos said he had been working in that court for 20 years |
| Series : | ENT Season 2 |
| Episode : | The Expanse |
| Comment : | The incident was said to have happened 20 years ago |
| Series : | ENT Season 4 |
| Episode : | Borderland |
| Comment : | Said to have happened more than 20 years ago - this is 21 years. |
| Series : | ENT Season 4 |
| Episode : | Borderland |
| Series : | ENT Season 2 |
| Episode : | The Seventh |
| Comment : | T'Pol describes the events which took place 17 years ago |
| Series : | ENT Season 1 |
| Episode : | Breaking the Ice |
| Comment : | Vanik says he has been captain of the ship for 15 years |
| Series : | ENT Season 4 |
| Episode : | The Forge |
| Comment : | A caption on the screen said this had happened seventeen years ago. |
| Series : | ENT Season 1 |
| Episode : | Fusion |
| Comment : | Admiral Forrest said this had happened 'about ten years ago'. |
| Series : | ENT Season 1 |
| Episode : | Fusion |
| Series : | ENT Season 4 |
| Episode : | Babel One |
| Comment : | Shran said this happened 12 years ago |
| Series : | ENT Season 4 |
| Episode : | Babel One |
| Series : | ENT Season 1 |
| Episode : | Unexpected |
| Series : | ENT Season 2 |
| Episode : | First Flight |
| Series : | ENT Season 2 |
| Episode : | Horizon |
| Comment : | Reed says his last family reunion was almost a decade ago; this is 9 years before the episode |
| Series : | ENT Season 2 |
| Episode : | The Breach |
| Comment : | Phlox says he has not spoke to his son in nearly ten years; this is 9 years before the episode |
| Series : | ENT Season 1 |
| Episode : | Fusion |
| Comment : | Eight years before the episode |
| Series : | ENT Season 1 |
| Episode : | Detained |
| Comment : | Said to have happened 8 years ago |
| Series : | ENT Season 4 |
| Episode : | Borderland |
| Comment : | Archer said Soong was captured a decade ago |
| Source : | Speculative |
| Comment : | Speculation |
| Series : | DS9 Season 3 |
| Episode : | Facets |
| Series : | VOY Season 4 |
| Episode : | The Omega Directive |
| Comment : | Seven said this happened 229 years before the episode |
| Series : | ENT Season 3 |
| Episode : | Hatchery |
| Comment : | The Insectoid was said to be almost ten years old; this is 9 years before the episode |
| Series : | ENT Season 1 |
| Episode : | Vox Sola |
| Novel : | Star Trek : Vanguard, Book 3 - Reap The Whirlwind |
| Comment : | He was 118 years old in 2266 |
| Novel : | Star Trek : Vanguard, Book 3 - Reap The Whirlwind |
| Series : | ENT Season 1 |
| Episode : | Fusion |
| Comment : | T'Pol says she lived on Earth for two years before going to Enterprise |
| Series : | ENT Season 2 |
| Episode : | Horizon |
| Comment : | Reed says this happened four years ago |
| Series : | ENT Season 2 |
| Episode : | Stigma |
| Comment : | Phlox says he has not seen his wife in nearly 4 years; this is three years before the episode |
| Series : | TNG Season 7 |
| Episode : | Attached |
| Series : | TNG Season 7 |
| Episode : | Attached |
| Comment : | Crusher states that this is when the world government was formed. It is commonly assumed that Crusher indicated that Australia was the last nation to join, but this is not the case. |
| Series : | ENT Season 2 |
| Episode : | Horizon |
| Comment : | Archer says this happened two and a half years ago |
| Series : | TNG Season 4 |
| Episode : | First Contact |
| Series : | ENT Season 1 |
| Episode : | Fight or Flight |
| Series : | ENT Season 1 |
| Episode : | Terra Nova |
| Series : | ENT Season 1 |
| Episode : | The Andorian Incident |
| Series : | ENT Season 1 |
| Episode : | Sleeping Dogs |
| Series : | ENT Season 1 |
| Episode : | Cold Front |
| Series : | ENT Season 1 |
| Episode : | Rogue Planet |
| Series : | ENT Season 1 |
| Episode : | Fallen Hero |
| Series : | ENT Season 1 |
| Episode : | Two Days and Two Nights |
| Series : | ENT Season 2 |
| Episode : | Minefield |
| Series : | ENT Season 2 |
| Episode : | A Night In Sickbay |
| Series : | ENT Season 4 |
| Episode : | Awakening |
| Series : | ENT Season 2 |
| Episode : | Precious Cargo |
| Series : | ENT Season 2 |
| Episode : | The Catwalk |
| Series : | ENT Season 2 |
| Episode : | Stigma |
| Series : | ENT Season 2 |
| Episode : | Cease Fire |
| Series : | ENT Season 1 |
| Episode : | Shockwave, Part 1 |
| Series : | ENT Season 2 |
| Episode : | Future Tense |
| Series : | ENT Season 2 |
| Episode : | Horizon |
| Series : | ENT Season 2 |
| Episode : | Regeneration |
| Series : | ENT Season 3 |
| Episode : | The Xindi |
| Series : | ENT Season 3 |
| Episode : | Impulse |
| Series : | ENT Season 3 |
| Episode : | Damage |
| Series : | ENT Season 3 |
| Episode : | The Shipment |
| Series : | ENT Season 3 |
| Episode : | Twilight |
| Series : | ENT Season 3 |
| Episode : | North Star |
| Series : | ENT Season 3 |
| Episode : | Proving Ground |
| Series : | ENT Season 3 |
| Episode : | Harbinger |
| Series : | ENT Season 3 |
| Episode : | Azati Prime |
| Series : | ENT Season 3 |
| Episode : | Countdown |
| Series : | ENT Season 3 |
| Episode : | The Council |
| Series : | ENT Season 3 |
| Episode : | Zero Hour |
| Series : | ENT Season 4 |
| Episode : | Storm Front, Part I |
| Series : | ENT Season 4 |
| Episode : | Home |
| Series : | ENT Season 4 |
| Episode : | Storm Front, Part 2 |
| Series : | ENT Season 4 |
| Episode : | Cold Station 12 |
| Series : | ENT Season 4 |
| Episode : | The Augments |
| Series : | ENT Season 4 |
| Episode : | The Forge |
| Series : | ENT Season 4 |
| Episode : | Kir'Shara |
| Series : | ENT Season 4 |
| Episode : | United |
| Series : | ENT Season 4 |
| Episode : | The Aenar |
| Series : | ENT Season 4 |
| Episode : | Affliction |
| Series : | ENT Season 4 |
| Episode : | Divergence |
| Series : | ENT Season 4 |
| Episode : | Demons |
| Series : | ENT Season 4 |
| Episode : | Terra Prime |
| Series : | ENT Season 4 |
| Episode : | These Are The Voyages... |
| Comment : | T'Pol said this had been over for six years |
| Series : | ENT Season 4 |
| Episode : | These Are The Voyages... |
| Comment : | Shran said this happened five years ago |
| Novel : | Star Trek : Destiny, Book 1 - Gods of Night |
| Book : | Star Trek Chronology |
| Comment : | second edition, page 32 |
| Series : | ENT Season 4 |
| Episode : | These Are The Voyages... |
| Comment : | Shran was said to have died three years ago |
| Book : | Star Trek Chronology |
| Comment : | second edition, page 33 |
| Series : | ENT Season 4 |
| Episode : | These Are The Voyages... |
| Comment : | Shran said they had located him six months ago |
| Series : | ENT Season 4 |
| Episode : | These Are The Voyages... |
| Series : | TNG Season 5 |
| Episode : | The Outcast |
| Film: | Star Trek Beyond |
| Comment : | Somewhat speculative - after the formation of the Federation in 'The early 2160s' |
| Film: | Star Trek Beyond |
| Source : | Speculative |
| Comment : | Scotty states that this happened in 'The Earth 2160s' Could be anything from 2161 to 2163. |
| Series : | TNG Season 1 |
| Episode : | Symbiosis |
| Comment : | Two hundred years ago. |
| Novel : | Star Trek - Rise of the Federation, Book 2 : Tower of Babel |
| Series : | TOS Season 2 |
| Episode : | Journey to Babel |
| Series : | TNG Season 2 |
| Episode : | Q Who |
| Comment : | Q said their dealings were two centuries ago |
| Series : | TOS Season 1 |
| Episode : | Operation: Annihilate! |
| Series : | TOS Season 1 |
| Episode : | The Return of the Archons |
| Series : | TNG Season 5 |
| Episode : | Power Play |
| Source : | Speculative |
| Comment : | Hoshi's onscreen biography in "In a Mirror, Darkly, Part II" says this happened in her late thirties. She would be 38 at this point. |
| Series : | ENT Season 4 |
| Episode : | In A Mirror, Darkly Part II |
| Comment : | Stated on her onscreen biography |
| Series : | TOS Season 2 |
| Episode : | A Piece of the Action |
| Series : | TNG Season 5 |
| Episode : | The Masterpiece Society |
| Novel : | Star Trek : Destiny, Book 3 - Lost Souls |
| Series : | TNG Season 6 |
| Episode : | Relics |
| Series : | ENT Season 4 |
| Episode : | In A Mirror, Darkly Part II |
| Comment : | Date shown on his onscreen biography |
| Series : | TNG Season 3 |
| Episode : | Evolution |
| Series : | TNG Season 7 |
| Episode : | Journey's End |
| Series : | DS9 Season 4 |
| Episode : | Accession |
| Comment : | Two hundred years ago. |
| Series : | DS9 Season 4 |
| Episode : | The Quickening |
| Comment : | Two hundred years ago. |
| Novel : | Star Trek : Vanguard, Book 1 - Harbinger |
| © Graham & Ian Kennedy | Page views : 39,280 | Last updated : 16 May 2020 |
