| Year |
Event |
| 15 billion bc |
| •1 | The USS Voyager witnesses the creation of the universe whilst being used as a hiding place by Quinn, a member of the Q continuum.1
 |
|
| 5 billion bc |
| •2 | The Guardian of Forever was asked its last question prior to 2267.3
|
| • | The star Sol is born.
|
|
 |
| 4 billion bc |
| •4 | The Progenitor species scattered DNA codes on many worlds. The codes were designed to direct evolution on those planets to produce Humanoid intelligences. In addition, a goodwill message was included in the codes.5
|
| • | Q begins dating a female Q.6
|
|
| 2 billion bc |
| •7 | The first life forms were created on Earth. In a timeline created by Q, a temporal anomaly caused by Captain Picard disrupted this process and so erased Humanity from existence.7
|
|
 |
| 87 million bc |
| •8 | The D'Arsay archive is launched.8
|
|
 |
| 65 million bc |
| •9 | An asteroid impact on Earth leads to the extinction of the dinosaurs. The Voth, a highly evolved species of dinosaur, escape the destruction.9
|
|
| 20 million bc |
| •10 | The current Voth civilization begins.10
|
|
| 2 million bc |
| •11 | The Organians evolve into non corporeal beings.11
|
|
 |
| 600,000 bc |
| •12 | The Tkon Empire collapsed after the sun of its capital world went supernova. The Tkon were thought to have been capable of moving entire stars.12
|
|
| 500,000 bc |
| •13 | Civilization flourished on the planet Bajor at approximately this time.13
|
| •14 | The star Exo began to dim at this time, eventually reducing the surface of Exo III to a frozen wasteland. As the inhabitants moved underground their civilization became more and more mechanized, eventually resulting in the production of Androids thought to be perfect replicas of living beings. Dr. Roger Korby uncovered the last traces of the civilization in the 23rd century.14
|
| •15 | The atmosphere of Sargon's planet was destroyed in a great cataclysm. Sargon would later claim that the crisis was a result of his species becoming so powerful that they dared to consider themselves as Gods.15
|
|
 |
| 200,000 bc |
| •16 | The Iconian Empire dates to this period.16
|
|
| 100,000 bc |
| •17 | The Hirogen communications network is constructed, providing real-time communication across a large section of the galaxy.17
|
|
| 97,600 bc |
| •18 | An unknown Delta Quadrant species draws all the water off of an M class planet and places it within a containment field, creating a gigantic space ocean.18
|
|
| 47,750 bc |
| •19 | The Horta die out with the exception of one individual, who will care for the thousands of eggs her species has left behind until they hatch in 2267.19
|
| •20 | Lokai attempts to begin a revolution on the planet Cheron, unhappy at the treatment of those who are white on the right side of their bodies by those who were white on the left. The attempt is unsuccessful, and Lokai must flee the planet. He is pursued by Commissioner Bele until at least 2269.20
|
|
 |
| 37,600 bc |
| •21 | A group of aliens from the Delta Quadrant visit Earth and are greatly impressed by the spirituality of those Humans living on the Siberian Peninsula.21
|
|
| 7,750 bc |
| •22 | The machine God Vaal is built on the planet Gamma Trianguli VI. Intended to provide food and climate control, Vaal assumes control of the population and halts all development in the culture. Captain Kirk destroys Vaal in 2267.22
|
| •23 | The Ferengi people adopt capitalism as a central philosophy of their species under the guidance of the first Grand Nagus, Gint, and his newly published "Rules of Acquisition".23
|
| •24 | The first of the Bajoran Orbs is discovered.24
|
| •25 | The Fabrini asteroid ship is launched. It will reach its destination in 2270.25
|
|
 |
| 6,000 bc |
| •26 | Several Humans are abducted from Earth by aliens and trained to act as agents who will guide the planet through the unstable period after nuclear weapons are discovered.26
|
|
| 3,834 bc |
| •27 | Flint is born on Earth. Discovering himself to be ageless and almost impossible to kill, Flint lives for thousands of years under various identities. These include Leonardo da Vinci, Merlin and Johannes Brahms. Eventually he purchases a planet under the name of Mr. Brack. Once out of Earth's environment, Flint begins to age normally.27
|
|
| 3,750 bc |
| •28 | An ice age begins on the planet Sigma Draconis VI. The inhabitants construct underground shelters for its population but only the females move into these, leaving the males on the surface. Both groups lose all understanding of their technology over the next few thousand years.28
|
|
| 2,750 bc |
| •29 | A group of aliens settle in Earths Mediterranean region. Thanks to their highly developed telekinetic powers the inhabitants of Greece worship the aliens as Gods. When the Humans outgrow the need for such a religion the aliens depart. Most of them commit suicide over the next few thousand years. The last, Apollo, attempts to force the crew of the USS Enterprise to worship him in 2267.29
|
|
| 850 bc |
| •30 | The Vulcan sanctuary at P'Jem is established.31
|
|
 |
| 735 bc |
| •32 | The Kalandans construct an artificial planet to serve as a base. Unfortunately its crew is wiped out by a virus shortly afterwards.32
|
|
| 630 bc |
| •33 | Bajoran prophet Trakor encounters the Orb of Change. He subsequently makes many prophecies, some of which appear to come true in the 24th century.33
|
|
| 354 |
| •34 | Surak's teachings bring him reknown as the father of Vulcan logic.34
|
|
| 370 |
| •35 | The Vulcans adopt a philosophy of suppressing emotion in favour of logic under the guidance of their greatest leader, Surak. Those Vulcans who reject the teachings of Surak leave the planet and settle on Romulus and Remus.35
|
| •36 | The Vidiians fall victim to the Phage, a disease which eats away at the bodies organs. Unable to cure the disease, the Vidiians began stealing replacement body parts from other species to keep themselves alive.36
|
|
| 372 |
| •37 | The Dominion is founded by the shape shifting species known as Changelings in order to provide them with protection from non shape shifters and impose order on the region. The Changelings become known as the Founders. They are so reclusive that few in the Dominion believe that they actually exist.38
|
|
| 374 |
| •39 | The Jem'Hadar become the Dominion's primary military force.39
|
|
 |
| 820 |
| •40 | Kahless defeats Molor in an epic personal duel, uniting the Klingon people.41
|
|
| 822 |
|
 |
| 866 |
| •43 | The Klingon monastery on Boreth is constructed, shortly after the death of Kahless. He promised to return from Sto-vo-kor here at some point; in 2367 this promise appeared to have been fulfilled.41
|
|
 |
| 1152 |
| •44 | Tarquin is born. He is banished from his homeworld because of his telepathic abilities and lives alone except for a series of companions thereafter.45
|
|
 |
| 1153 |
| •46 | The Spheres of the Delphic Expanse are thought to have been built at this time.46
|
|
| 1154 |
| •47 | The Guardians create one of their spheres on this date.47
|
|
| 1367 |
| •48 | The civilization on Ventax II solve their social problems by signing a deal with Ardra, their equivalent of the Human devil. The pact agrees to make the planet and all its inhabitants the personal property of Ardra after one thousand years of peace and prosperity. An impostor attempts to claim the planet in 2367, but the ruse is uncovered by Captain Picard.48
|
|
| 1368 |
| •49 | The civilization on the planet Kataan is destroyed when their star goes nova. They attempt to preserve knowledge of their culture by launching a space probe which can download memories into the brain of anybody it encounters. The probe will be discovered by the USS Enterprise-D in 2367 and successfully cause Captain Picard to experience decades of living on Kataan within a few minutes.49
|
|
| 1371 |
| •50 | A group of aliens from another galaxy explore the Delta Quadrant. While on the Ocampan home world they accidentally cause an ecological disaster which threatens to destroy the Ocampa. The aliens build an underground habitat for the Ocampa and two of them stay on to look after their charges. One subsequently leaves to found an Ocampa colony, the other dies of old age in 2371 after unsuccessfully attempting to reproduce.50
|
|
 |
| 1372 |
| •51 | An alien species known as the Hur'q invade the Klingon home world. They steal many cultural artefacts, including the Sword of Kahless.51
|
|
| 1374 |
| •52 | The Hirogen culture becomes dedicated to hunting. They will continue this way of life unchanged for at least the next thousand years.52
|
|
| 1476 |
| •53 | After a long period of war, the Vaadwaur species is finally defeated and their homeworld bombarded until the surface is a ruin. Unknown to the attacking forces, a group of Vaadwaur survive the assault in suspended animation, where they will remain until discovered by Voyager in 2376.54
|
|
 |
| 1669 |
| •55 | Guinan's father is born.55
|
|
| 1767 |
| •56 | The planets Eminiar and Vendikar go to war with one another. Fearful that the infrastructure of their planets may be destroyed the two sides agree to conduct the war entirely by computer, with designated casualties reporting to suicide stations after each attack in order to immolate themselves. Having removed any pressing need for a ceasefire, the war continues unabated for the next five hundred years.56
|
|
| 1770 |
| •57 | Sandrine's Bar in Marseilles opens at least as early as this date.57
|
|
| 1805 |
| •58 | The battle of Trafalgar takes place.59 One of Jean Luc Picard's ancestors takes part in the battle.60
|
|
| 1851 |
| •61 | The Suliban home world is rendered uninhabitable. In the aftermath many Suliban spread out to settle in the territory of nearby species, including the Tandarans.61
|
|
| 1853 |
| •62 | The conflicts between the Antareans and the Denobulans end. Both sides will retain a deep hatred of one another for at least the next three centuries.62
|
|
| 1864 |
| •63 | The Skagarans abduct a large group of Humans from Earth to act as slaves on a world in the Delphic Expanse.64
|
|
| 1869 |
| •65 | The Vulcans achieve interstellar flight.65
|
|
| 1871 |
| •66 | The Cardassian Union is formed.66
|
|
| 1903 |
| •67 | The Wright brothers make the first Human flight in a powered heavier than air craft.64
|
|
| 1930 |
| •68 | Edith Keeler is killed in a road traffic accident. In an alternate timeline Keeler is saved by Dr. McCoy, thrown into the past by the Guardian of Forever. She goes on to become a person of great importance, using her influence to keep the USA out of World War II. This gives the Germans the time to develop atomic weapons and enables them to conquer the world.68
|
|
 |
| 1934 |
| •69 | A major war begins between the various Xindi sub-species. The war will lead to the destruction of Xindus and the extinctions of the Avians in 2033.69
|
|
| 1937 |
| •70 | Several hundred Humans are abducted from Earth by aliens originating in the Delta Quadrant. The majority of the Humans are used as slaves, but some are left in stasis. The slaves eventually overthrow their alien masters and build a new Human community in the Delta Quadrant, revering those in stasis as important cultural icons. Amongst them is Amelia Earhart, a famed pilot who was abducted whilst engaged in intelligence gathering for the US government.70
|
|
| 1947 |
| •71 | Quark, Nog, Rom and Odo are briefly trapped on Earth after their shuttle is thrown back in time and crashes in Roswell, New Mexico. They are able to escape by piloting the shuttle into the heart of a nuclear blast. Although the government denies any knowledge of the incident, it becomes a focal point for many rumours and conspiracy theories for decades to come.71
|
|
| 1953 |
| •72 | First contact between the Andorians and the Vulcans, leading to a prolonged period of hostilities.72
|
| •73 | The Denobulans begin using genetic engineering, with generally positive effect.74
|
|
| 1957 |
| •67 | Sputnik 1 is launched, Earth's first artificial satellite. The launch is observed by a Vulcan vessel which subsequently crashes on the planet, stranding the crew there for some months.75
|
|
 |
| 1966 |
| •76 | The population of Miri's planet begin a project aimed at greatly slowing the ageing process. Although the project is successful for children, it wipes out the entire adult population of the planet.76
|
|
| 1967 |
| •77 | The 29th century Federation Timeship Aeon crash lands on Earth after an encounter with the USS Voyager in 2373. The vessel is salvaged by Henry Starling, who uses its technology to instigate a computer revolution.78
|
|
| 1969 |
| •79 | The USS Enterprise is thrown into this time after an accidental encounter with a black star. Although significant pollution of the timeline results, the crew are able to correct the damage and return to their proper time.80
|
| •78 | Henry Starling introduces the first Isograted chip, a major advance in computer technology. He has achieved this breakthrough using the technology of the Timeship Aeon, which he salvaged in 1969.78
|
|
| 1992 |
| •81 | Khan Noonian Singh rises to power, controlling approximately one quarter of the planet Earth. Khan is the product of genetic engineering intended to create a new race of superhumans.81
|
|
 |
| 1993 |
| •81 | A group of genetically engineered super humans seize control of 40 of Earths nations simultaneously. Terrible wars follow in which entire populations are bombed out of existence.81
|
|
| 1996 |
| •82 | The Eugenics wars end. Khan escapes in a DY-100 sleeper ship named the SS Botany Bay along with 96 of his fellow supermen and women.82
|
| •83 | Shortly after the war the crew of the USS Voyager travel to this time period after an encounter with a 29th century Federation Timeship Aeon, under the command of Captain Braxton. The crew discover that much of Earths computer revolution has been a result of a Henry Starlings salvage of the Timeship in 1967.78 Voyager's crew are able to prevent Starling from any further use of the Timeship.83
|
|
| # | Series | Season | Source | Comment |
| 1 | VOY | 2 | Death Wish | The exact age of the universe is uncertain (for now), but this is the right ballpark |
| 2 | TOS | 1 | The City on the Edge of Forever | The Guardian said it had been waiting for a question since "before your sun burned hot in space", indicating a time of at least five billion years ago |
| 3 | TOS | 1 | The City on the Edge of Forever | The Guardian said it had been waiting for a question since "before your sun burned hot in space", indicating a time of at least five billion years ago |
| 4 | TNG | 6 | The Chase | The timeframe would need to be in this region to preceed the development of life on Earth |
| 5 | TNG | 6 | The Chase | The timeframe would need to be in this region to precede the development of life on Earth |
| 6 | VOY | 3 | The Q and the Grey | She said they had been dating for 4 billion years. I have assumed the the relationship lasted that long in linear time |
| 7 | TNG | 7 | All Good Things | Q told Picard this was 2 billion years ago, give or take an eon |
| 8 | TNG | 7 | Masks | The archive was said to have been adrift for 87 million years. This is a rounded date |
| 9 | VOY | 3 | Distant Origin | Janeway describes it as 65 million years ago. This is a rounded date |
| 10 | VOY | 3 | Distant Origin | The Voth woman says her civilisation has lasted 20 million years. This is a rounded date |
| 11 | TOS | 1 | Errand of Mercy | Ayelborne says this happened millions of years ago. This is a rounded date |
| 12 | TNG | 1 | The Last Outpost | Data said that the Empire had died out 600,000 years ago. This is a rounded date |
| 13 | TNG | 5 | Ensign Ro | Picard said civilisation had flourished on Bajor before Humans stood erect |
| 14 | TOS | 1 | What Are Little Girls Made Of? | Spock noted that the star had been fading for half a million years. This is a rounded date |
| 15 | TOS | 2 | Return to Tomorrow | Sargon said his people had planted colonies 600,000 years ago. This is a rounded date |
| 16 | TNG | 2 | Contagion | Captain Varley calculated the location of the Iconian home world from an artefact after accounting for 200,000 years of stellar drift. This is a rounded date |
| 17 | VOY | 4 | Hunters | Kim says the array is 100,000 years old. This is a rounded date |
| 18 | VOY | 5 | Thirty Days | The field generator was said to be 100,000 years old. This is a rounded date |
| 19 | TOS | 1 | The Devil in the Dark | The Horta told Spock about the 50,000 year life cycle of her species. This is a rounded date |
| 20 | TOS | 3 | Let that be Your Last Battlefield | Bele said he had been chasing Lokai for 50,000 years. This is a rounded date |
| 21 | ENT | 2 | Dawn | The alien said this happened 40,000 years ago. This is a rounded date |
| 22 | TOS | 2 | The Apple | McCoy noted that the people had not undergone any change in 10,000 years. This is a rounded date |
| 23 | DS9 | 4 | Bar Association | The episode states that the Ferengi have been following capitalism for 10,000 years. This is a rounded date |
| 24 | DS9 | 1 | Emissary | Kai Opaka says that the orbs have been discovered over the last 10,000 years. This is a rounded date |
| 25 | TOS | 3 | For the World is Hollow and I Have Touched the Sky | Spock said that the asteroid had been in transit for 10,000 years. This is a rounded date |
| 26 | TOS | 2 | Assignment: Earth | Gary Seven described the event to a computer, saying it had happened 6,000 years ago. This is a rounded date |
| 27 | TOS | 3 | Requiem for Methuselah | Flint described his history |
| 28 | TOS | 3 | Spock's Brain | Spock described the event as happening 6,000 years ago. This is a rounded date |
| 29 | TOS | 2 | Who Mourns for Adonais? | Apollo said the visit happened 5,000 years ago; this is a rounded date |
| 30 | ENT | 1 | The Andorian Incident | Said to have happened 3,000 years before the episode |
| 31 | ENT | 1 | The Andorian Incident | Said to have happened 3,000 years before the episode. This would seem to contradict Soval's claim that Vulcans did not achieve star flight until 1,500 years after the Great Awakening |
| 32 | TOS | 3 | That Which Survives | The planet was described as being thousands of years old. This is about three thousand years ago |
| 33 | DS9 | 3 | Destiny | The prophecies where said to have been made 3,000 years ago |
| 34 | ENT | 4 | The Forge | Soval says Surak is still thought of this way after 1,800 years. He may be referring to the Great Awakening with this comment, but it seems sensible that Surak's movement gathered pace for some years before it really changed the planet |
| 35 | TNG | 7 | Gambit, Part 2 | The Time of Awakening is described as having happened 2,000 years ago |
| 36 | VOY | 1 | Phage | The phage was described as having blighted the Vidiians for over two millennia |
| 37 | DS9 | 4 | To the Death | Weyoun said that the Dominion had lasted for 2,000 years. Note that this contradicts a statement by another Weyoun in "The Dogs of War" that the Dominion had not surrendered in battle in 10,000 years. |
| 38 | DS9 | 4 | To the Death | Weyoun said that the Dominion had lasted for 2,000 years. Note that this contradicts a statement by another Weyoun in "The Dogs of War" that the Dominion had not surrendered in battle in 10,000 years. |
| 39 | DS9 | 7 | What You Leave Behind, Part 1 | Said to have happened 2,000 years before the episode |
| 40 | TNG | 6 | Rightful Heir | Said to have happened 1,500 years before the episode. This date chosen to fit in with the non canonical but more specific date Data gives for the death of Kahless, and with the subsequent construction of the Boreth monastery |
| 41 | TNG | 6 | Rightful Heir | |
| 42 | | | From the episode script | Data states that Kahless has been dead for 1,547 years. This is that long prior to the episode date of 2367 |
| 43 | TNG | 6 | Rightful Heir | Koroth states that the Klingons have been waiting for the return of Kahless for over fifteen centuries. This is 1501 years prior to the episode date of 2367. In the episode script Data states that Kahless has been dead for 1547 years, which would allow 46 years travel time to Boreth at sublight speeds |
| 44 | ENT | 3 | Exile | Tarquin says he is over 400 years old, so this is 401 years earlier |
| 45 | ENT | 3 | Exile | |
| 46 | ENT | 3 | Chosen Realm | Said to have happened 1,000 years before the episode |
| 47 | ENT | 3 | Anomaly | Quantum dating indicated a sphere as nearly 1,000 years old - this is 999 years before the episode |
| 48 | TNG | 4 | Devil's Due | The contract was said to have been for one thousand years |
| 49 | TNG | 5 | The Inner Light | Data noted that the star had gone nova a thousand years before |
| 50 | VOY | 1 | Caretaker, Part 2 | The Caretaker said he had watched over the planet for a thousand years |
| 51 | DS9 | 4 | The Sword of Kahless | The invasion took place a thousand years before the episode |
| 52 | VOY | 4 | The Killing Game, Part 1 | The Hirogen leader said their way of life had been unchanged for a thousand years |
| 53 | VOY | 6 | Dragon's Teeth | Stated to have happened 900 years prior to the episode |
| 54 | VOY | 6 | Dragon's Teeth | |
| 55 | TNG | 6 | Rascals | Guinan said her father was 700 years old |
| 56 | TOS | 1 | A Taste of Armageddon | Anan 7 said the war had begun 500 years ago |
| 57 | VOY | 1 | The Cloud | Paris said that the bar had been with the same family for over 600 years |
| 58 | | | Speculative | Real world date |
| 59 | TNG | 3 | The Best of Both Worlds, Part 1 | |
| 60 | | | Star Trek : Generations | |
| 61 | ENT | 1 | Detained | The Suliban says this happened 200 years ago |
| 62 | ENT | 2 | The Breach | Phlox said the last conflict had been 300 years ago |
| 63 | | | Speculative | Said to have been almost 40 years before the Wright brother's first flight; this is 39 years before the real world date of that event |
| 64 | ENT | 3 | North Star | |
| 65 | ENT | 4 | The Forge | Soval said it took the Vulcans nearly 1,500 years after the great Awakening to travel to the stars. This is 1,499 years after |
| 66 | DS9 | 3 | Defiant | Dukat said the founding had been 500 years ago |
| 67 | | | Speculative | Date is assumed to be the same as in the real world timeline |
| 68 | TOS | 1 | The City on the Edge of Forever | Keeler tells Kirk the year |
| 69 | ENT | 3 | The Shipment | The war was said to have lasted for nearly 100 years; this date assumes a 99 year war |
| 70 | VOY | 2 | The 37's | The year is stated in the episode |
| 71 | DS9 | 4 | Little Green Men | The exact date is shown on a calendar |
| 72 | ENT | 3 | Proving Ground | Shran said that the threat of massive retaliation had prevented a Vulcan attack for 200 years |
| 73 | ENT | 4 | Borderland | Phlox said they began doing this over two centuries ago. This is 201 years before the episode. |
| 74 | ENT | 4 | Borderland | Phlox said they began doing this over two centuries ago. This is 201 years before the episode |
| 75 | ENT | 2 | Carbon Creek | It appears from the episode that this was indeed a real event and not just a story |
| 76 | TOS | 12 | Miri | Spock says that the project was begun 300 years ago |
| 77 | VOY | 3 | Future's End, Part 1 | Date shown in a caption on screen |
| 78 | VOY | 3 | Future's End, Part 1 | |
| 79 | | | Speculative | Radio messages indicated that the Enterprise arrived shortly before the first moon landing, which in the real world took place in this year |
| 80 | TOS | 2 | Assignment: Earth | |
| 81 | TOS | 1 | Space Seed | Spock gives the date |
| 82 | | | Star Trek II : The Wrath of Khan | Khan gives the date |
| 83 | VOY | 3 | Future's End, Part 2 | |
