2051


 * Both the ostrich and the black rhinoceros become extinct. (REF: Doctor Who: Monsters and Villains, NSA: The Last Dodo)
 * Steffi Ehrlich marries and later has two children (who are apparently lost in an unexplained catastrophe). (DW: The Waters of Mars)
 * K-9, Starkey, Jorjie Turner, Alistair Gryffen and Darius Pike defeat the Merons. (K9TV: The Feast of the Merons)