2030

2030 was the year several events of importance to the history of Earth occurred:
 * The River Thames was artificially frozen for a Dancing On Ice special. This was the first time the Thames had frozen since February 1814. (WC: The Frozen)


 * The Doctor, Ace and Bernice Summerfield visited UNIT Geneva and picked up a note left by Cristian Alvarez left for them thirty-seven years before. (NA: The Left-Handed Hummingbird)


 * The mountain gorilla died out on Earth.  However, one specimen was taken to the Museum of the Last Ones.  This last mountain gorilla was later sent back in time by the Doctor along with the other specimens. (NSA: The Last Dodo)


 * Salamander was uncovered as the instigator of a series of natural disasters affecting the world (DWN: Doctor Who and the Enemy of the World)