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Billions of years ago - Millions of years ago - Thousands of years ago - 1st century


Chodak Empire collapses. T'kon Empire begins in Kridnar - possibly Age of Cimi.[1]
Possible origin of Z'Tarnis Nebula. The T'kon leave for unknown reason.[1]
Udurioch and Orjoto civilizations emerge in Kridnar. They eventually fight to mutual destruction. T'kon visits - Age of Makto.[1]
  • Tkon Empire collapses.[2] Kridnar is visited by an unidentified possibly proto-Vulcan race.[1]
  • The humanoid ancestors of Arretans colonize the galaxy. Their colonists may have caused, or influenced, the rise of intelligent life on Vulcan.[3]
500, 000 ca.
The Sanoora civilization flourishes.[4]
Widespread destruction in Kridnar by left-over Udurioch/Orjoto weapons, a problem that would persist until at least the 24th century.[1]
500,000 years ago to 100,000 years ago
The Forerunner Era was characterised by almost complete ignorance on the civilisations of the time. Knowledge was limited to a few scraps, while archaeology crossed over with paleoanthropology and geology. The best known civilisations were the Arret, the Fett and the Bursen.[5]
Over 500,000 years ago
There was reliable evidence for interstellar travel dating back over 500,000 years, in the form of identical artifacts found on different planets, suggested it was already old and commonplace. The largest source for this evidence was in the Rigel system, containing fragments of most of the ancient cultures of the time, who all traded and fought through the worlds of Rigel.[5]
Possible Iconian visits in Kridnar.[1]
Iconian civilization collapses.[1][6]
ca. 150,000 years ago
The Dray and Nax Cultures exist and possibly destroy each other in war.[7]
100,000 years ago to 40,000 years ago
The Emergent Era was better known to archaeologists and historians of the 23rd century. Three civilisations were dominant at this time: the Ena, the djKen and the Querat, though separated by three great Interregnums, marked by primitivism and a lack of interstellar space travel.[5]
100,000 years to now
Miscellaneous unclassified traces in Kridnar.[1]
30,000 BCE
The Veliki exist on Regulus III.[8]
38,000 BC to 18,000 BC
The Preserver Era, in which the Preservers were active.[9]
8000 BC ca.
  • The Ky'rha civilization flourishes.[10]
  • Ferengi civilization rises with the discovery of the concepts of currency and profit.[11]
5000-1000 BC ca.
Kukulkan's species visit earth having an impact on chinese and Maya mythology and religion.[12]
800 BC
Axanarris develop their first nation-states.[13]


500,000 BC
Arretan is destroyed in a massive civil war when the atmosphere is ripped from their planet. Only a few survivors escape by preserving their consciousnesses in a cave deep below the surface.[3]
54,223 BC
Time-travelling agents of the Federation Department of Temporal Investigations encounter the 29th century Epoch-class USS Kalpa on the planet Iconia. [14]
c. 42,500 BC
The Inheritors visit Earth.[15]
c. 30,000 BC
On Bajor Ohalu is contacted by the Prophets and gains an understanding of their relationship with Bajor not gained by others for millennia. As proof of his beliefs he writes a set of prophecies, which are considered the heretical writing of a madman by the religious authorities, but gain a small following nonetheless. A small cult forms to protect the prophecies.[16]

City of B'hala.

c. 16,000 BC (reference stardate -180/00)
Orion slavery is well-established by this point. Early slaver species include the Sugg, who begin the process of arming the Orions against competing slave raiders.[5]
12,217 BC (reference stardate -142/17)
The Long Winter ends.[5]
12,189 BC (reference stardate -141/89)
22nd Rigel Conference: the First Stage begins.[5]
c. 9100 BC
A period of ten thousand years of internecine warfare between the Klingons begins, ending when they achieve space flight and planetary unity. During this time, the Senate hall is built.[17]
c. 8000 BC (reference stardate -100/00)
Orions begin clandestinely acquiring advanced technology.[5] Beginnings of the Fabrini civilization.[10]
c. 7700 BC
10,000 years prior to the 2260s, the Danons rule a sizable portion of the galaxy. Their visits to Earth and their saturnine appearances help to contribute to the mythology of the Humans' Devil. During this period, the Danons encounter the Torgas, beginning millennia of war, after which the Danons retreat to their homeworld on the planet Heartland, where they build a Great Machine and worship it.[18]
c. 7700 BC
The Heitian civilization on Heitius VII is in a state of decline. To save them, the leaders attempt to convert the populace into cyborgs like themselves, but are mummified instead.[19]
7730 BC (reference stardate -97/30)
The First Stage concludes.[5]
7630 BC
Klingons begin living the way of honor.[20]
c. 7600 BC
By this time the Briavian culture has disappeared.[21]
7500 BC
Gint codifies the Rules of Acquisition.[14]
4th millennium BC
The Furies hold a significant presence across local space — including some level of domination of early Human, Andorian, Vulcan, Klingon, and Ferengi cultures, serving as the source of a number of myths and legends. (Novel: "Invasion!" series)
4527 BC
The Borg originate from the planet Arehaz in the Delta Quadrant; they were created when the surviving crew of the NX-02 Columbia that traveled back in time with the Caeliar, originating from 2168, were absorbed by the last surviving Caeliar, the now-degenerate Sedin. After they come into existence, they target their first victims, the Kindir.[22]
c. 3800 BC
The Megans start visiting Earth and live among humans.
c. 3600 BC
On an unnamed planet, a pre-Hebitian civilization collapses after Nartal, the last Night King, fails to allow Uramtali to possess his body.[23]
3587 BC (reference stardate -55/87)
An alien insurance claim makes the first public mention of Orion crews.[5]
3rd millennium BC
The Furies (aka the Havoc or the Unclean) are removed from a number of Alpha and Beta Quadrant worlds by an undetermined alien civilization who they were in conflict with. They are stranded in the Delta Quadrant.[24]
c. 2500 BC
The Beings visit earth, birth of Apollo to the being Zeus and the human woman Leto.
1508 BC (November) (reference stardate -35/0811)
The Orion Dawn marks the beginning of Orion piracy.[5]
1317 BC (reference stardate -33/17)
Merchant ships built and crewed by Orions launch from Bema, Sharu, and Nilor.[5]
c. 1150 BC
Parneb, a man born in the 23rd century and living backwards in time, reaches the end of his life.[25]
855 BC
A Vulcan space program implemented by warlords is stopped after Devlarm is destroyed.[14]
c. 731 BC
A group of Tomol undergo the Change before being encased in a kind of living rock by Preserver technology.[26]
4th century BC
Sun Tzu writes a handbook about war.[15]
218 BC
Via time travel, Trengur alters the history of ancient Rome and creates an alternate reality.[27]

Births and Deaths

3834 BC
Akharin is born in the area later named Mesopotamia.[28][15]
469 BC
Socrates is born.[15]
399 BC
Socrates dies.[15]
42 BC
Tiberius is born under the name "Tiberius Claudius Nero".[15]
32 BC
Philana is born in approximately this year.[15]


c. 100,000 BC
The Rigellian Trade Authority is believed to have already been functioning much as it does in the present by this date.[5]
c. 18,000 BC (reference stardate -200/00)
The Yugai have the first known encounter with the Orions, the tribal natives of Rigel VIII.[5]
15,956 BC (reference stardate -179/56)
The Orion Era begins when the Treaty of Kammzdast is signed.[5]
15,839 BC (reference stardate -178/39)
First Rigel Conference.[5]
13,781 BC (reference stardate -157/81)
13th Rigel Conference.[5]
12,327 BC (reference stardate -143/27)
21st Rigel Conference.[5]
7500 BC
Capitalism becomes the basis of Ferengi society.[29]
9143 BC (reference stardate -111/43)
59th Rigel Conference: Namazz Accord signed. [5]
4712 BC (July) (reference stardate -67/1207)
113th Rigel Conference.[5]
891 BC (April) (reference stardate -28/9104)
144th Rigel Conference.[5]
c. 700 BC
The Nine Worlds Confederation is formed.[5]
111 BC (May) (reference stardate -21/1105)
The Taunpymi Incident.[5]
95 BC (July 14th) (reference stardate -20/9507.14)
187th (and final) Rigel Conference.[5]
95 BC (August) (reference stardate -20/9508)
Botchok Planetary Congress organized. [5]
56 BC (February 13th) (reference stardate -20/5602.13)
Declaration of Nallin ends the power of the Treaty of Kammzdast. The New Days begin. [5]


12,237 BC (reference stardate -142/37)
The Atom War occurs on Rigel VIII. The Long Winter begins.[5]
c. 2700 BC
The war between the Furies and the Unclean ends. The defeated Furies are banished to the far side of the galaxy. A few survivors are stranded on Earth, Vulcan, Qo'noS, and other inhabited worlds, where they inspire legends of demons.[30]
2351 BC (reference stardate -43/51)
Battle of Lomatin IV. [5]
94 BC (January 3rd) (reference stardate -20/9401.03)
Orion War begins at the Battle of Botchok.[5]
57 BC (December) (reference stardate -20/5712)
Orion War ends at the Battle of Rhinate. [5]

Astronomical events

c. 500,000 BC
The third star of the trinary Devolin system collapses into a class four black hole, and creates a significant amount of ionizing radiation throughout the system. [31]

Mirror universe

c. 500,000 BC
In the mirror universe, the third star of the trinary Devolin system collapses into a class four black hole, and creates a significant amount of ionizing radiation throughout the system.[31]


References and Notes

  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 TNG video game: A Final Unity
  2. TNG episode: "The Last Outpost"
  3. 3.0 3.1 TOS episode: "Return to Tomorrow"
  4. TOS comic: "The Evictors"
  5. 5.00 5.01 5.02 5.03 5.04 5.05 5.06 5.07 5.08 5.09 5.10 5.11 5.12 5.13 5.14 5.15 5.16 5.17 5.18 5.19 5.20 5.21 5.22 5.23 5.24 5.25 5.26 5.27 5.28 FASA RPG module: The Orions: Book of Common Knowledge
  6. Decipher RPG module: Player's Guide
  7. TOS comic: "A Mirror for Futility"
  8. TOS novel: The Captain's Oath
  9. FASA RPG module: The Orions: Book of Common Knowledge
  10. 10.0 10.1 TNG novel: The Buried Age
  11. DS9 episode: "Little Green Men"
  12. TAS episode: "How Sharper Than a Serpent's Tooth" - The mention of the Chinese and Maya cultures may indicate that Kukulkan's race visited earth at last as early as 5000-1000 BC.
  13. Last Unicorn RPG module: All Our Yesterdays: The Time Travel Sourcebook
  14. 14.0 14.1 14.2 Last Unicorn RPG module: All Our Yesterdays: The Time Travel Sourcebook
  15. 15.0 15.1 15.2 15.3 15.4 15.5 15.6 ST website:
  16. DS9 novel: Avatar, Book One
  17. TOS novel: Spock Must Die!
  18. TOS novel: Devil World
  19. TOS comic: "The Mummies of Heitius VII"
  20. TNG novel: Dragon's Honor
  21. CoE eBook: The Art of the Comeback
  22. ST - Destiny novel: Lost Souls
  23. TLE novel: Well of Souls
  24. TOS - Invasion! novel: First Strike
  25. TOS novel: Strangers from the Sky
  26. Seekers novels: Second Nature, Point of Divergence
  27. TOS comic: "No Time Like the Past"
  28. TOS episode: "Requiem for Methuselah"
  29. Last Unicorn RPG module: All Our Yesterdays: The Time Travel Sourcebook
  30. TOS - Invasion! novel: First Strike
  31. 31.0 31.1 ENT novel: Age of the Empress


Title Series Date Media Notes Image
Spock's World

Vulcan: Two
The Original Series c.500,000 BC novel SpocksWorld.jpg
The Escape

Chapters 4, 5-7 & 23
Voyager c.307,600 BC novel The Escape.jpg
Strange New Worlds VI

The Beginning

Speculations c.200,000 BC short story Offers one version of the creation of the Borg.

The Pocket Books Timeline places this story at c. 2000BC, however the short story "The Hunted" describes Borg activity 110,000 years ago necessitating an earlier placement for the Borg's creation.
Strange new worlds 6.jpg
Strange New Worlds VII

Forgotten Light

Sections 1, 4, 6, 8, 10 & 12
Speculations c.200,000 BC short story Offers one version of the creation of the Borg.
The Pocket Books Timeline places this story at c. 2000BC, however the short story "The Hunted" describes Borg activity 110,000 years ago necessitating an earlier placement for the Borg's creation.
Strange new worlds 7.jpg
What Lay Beyond

Horn and Ivory

Chapters 1-9
Deep Space Nine c.27,600 BC novella What Lay Beyond.jpg
Watching the Clock

Chapter 18
Star Trek c.16,000 BC novel Watching the Clock cover.jpg
Spock's World

Vulcan: Three
The Original Series c.10,000 BC novel SpocksWorld.jpg
Ex Machina

Chapter 18
The Original Series 7954 BC novel ExMachina.jpg

Lost Souls

Chapters 2, 8, 14 & 20
Star Trek 4527 BCE novel Lost Souls.jpg
Spock's World

Vulcan: Four
The Original Series c.3,000 BC novel SpocksWorld.jpg
All Our Yesterdays

The Original Series 2723 BC episode Sarpeidon's past, date extrapolated from The Yesterday Saga Spock and Zarabeth.jpg
The Yesterday Saga

Yesterday's Son

Chapters 5 & 6
The Original Series 2703 BC novel YesterdaysSon.jpg
The Yesterday Saga

Time for Yesterday

Prologue, Chapters 5-10, 14 & 15
The Original Series 2683 BC novel TimeForYesterday.jpg
Uhura's Song

Chapter 11
The Original Series 235 BC novel The Eeiauoan people are exiled from their homeworld of Sivao, because of their unsustainable use of technology. UhurasSong.jpg
No Time Like the Past

Pages 4-10; 21-22
The Original Series 218 BC comic Trengur kills Hannibal prior to his historic assault on Rome, creating an alternate reality. Gold Key 56.jpg
Spock's World

Vulcan: Five
The Original Series 30 BC novel SpocksWorld.jpg

External link