2350

In 2350, humanity won a war against the Jullatii. (PROSE: Original Sin)

Humans invented phosphane gas around this year. (TV: The Korven)

The planet Vyga 3 was colonised. At some point it was visited by the Fourth Doctor, Romana and K9 Mark II. (DWM: The Seventh Segment)

The Clean Earth Act was enacted, allowing for the terraforming of Mars. (PROSE: Crimson Dawn)