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 I and K9 Mark II. (COMIC: The Seventh Segment)
The Clean Earth Act of 2350 was enacted, allowing for the terraforming of Mars. (PROSE: Crimson Dawn)