| Timeline for 10,000,000 |
Circa 10,000,000, Earth was devastated by solar flares. A vast Ark was launched for Refusis II. The Doctor's TARDIS landed on the Ark. Dodo Chaplet's cold caused a plague, which the First Doctor was able to cure. (TV: The Ark [+]Paul Erickson and Lesley Scott, Doctor Who season 3 (BBC1, 1966).)
By some accounts, this was when the posthuman era began. (PROSE: The Book of the War [+]Lawrence Miles, et al., Faction Paradox novels (Mad Norwegian Press, 2002)., Of the City of the Saved... [+]Philip Purser-Hallard, Faction Paradox novels (Mad Norwegian Press, 2004).)