| Timeline for 1,000,000,000 |
The year 1,000,000,000 was among the possible years listed by the Tenth Doctor as he found the TARDIS accelerating into the far future until it finally settled on the year 100,000,000,000,000 at the end of the universe. (TV: Utopia [+]Russell T Davies, Doctor Who series 3 (BBC One, 2007).)