Distant Past

4,600,000,000+ years ago
The Guardian of Forever is constructed by an unknown civilization. [STO]
4,500,000,000 years ago
Thousands of worlds in the Milky Way are seeded with humanoid life by the Preservers, the oldest known sentient species in the galaxy. [STO]
20,000,000 years ago
The oldest historic records of the Voth date back to this time period, then already in the Delta Quadrant. However, their origin likely lies on Earth dating back several million years earlier. [STO]
600,000 years ago
The T’kon Empire rises and falls, spanning hundreds of worlds in the Milky Way at its apex, among them the Tephrei System. [STO]
200,000 years ago
Although they are few in number, by this time, the Iconians maintain an advanced galactic civilization with the help of their Heralds and gateway-technology. While regarding other species, e.g., the Dinasians and Iccobar, as ‘lesser’, they peacefully explore the galaxy and record their knowledge into a central archive called World Heart. [STO]
An alliance of envious species forms, who attack the Iconian homeworld and colonies in order to gain access to the superior technology. Although twelve Iconian survivors can flee to Dewa III, the World Heart will remain lost until 2410. [STO]
As Dewa III had been the first world obliterated, the Iconians soon leave, thereby abandoning the remaining indigenous population, who was loyally serving their masters until then. [STO]
The Solanae build a Dyson Sphere for the Iconians. It is, however, rendered inhospitable by a large-scale industrial accident upon its activation, which changes the molecular structure of the Solanae, forcing them to retreat into subspace. The Iconians soon disappear from records and become a myth. [STO]
150,000 years ago
Having recuperated from the orbital bombardment and having established a civilization of their own, the Dewans of Dewa III are about to explore their own solar system, but abandon their space program, focusing on re-activating their Iconian gateway instead. [STO]
As the gateway is activated, Dewa III is rendered inhospitable by earthquakes and volcanic eruptions. [STO]
The last Dewans die in caves, deep under the surface of their homeworld. [STO]
10,000 years ago
The first Orb appears on Bajor. [STO]
The Ferengi Alliance forms. [STO]
3,000 years ago
The original monastery on P’Jem is founded. [STO]
The Caretaker starts providing for the Ocampa after their homeworld is turned into a desert wasteland by Nacene explorers. [STO]
2,000 years ago
The Founders of the Dominion seek new servant races by genetically altering the Vorta and certain Klingons. The latter are intended as a soldier caste and become known as the Fek’Ihri. However, the Dominion loses control over them, and eventually the Jem’Hadar become their front line soldiers instead. [STO]

Distant Past
1st to 20th century
20th century
21st century
22nd century
23rd century
24th century
25th century
The Future

Distant Past

Star Trek Late Night Deykaras