8 December

On 8 December 1926, the Tenth Doctor and Donna Noble met Agatha Christie. Agatha went missing for the next ten days. (TV: The Unicorn and the Wasp)

In 1952 London, the Third Doctor and Sarah Jane helped clean up in the aftermath of the previous day's defeat of a Xhinn invasion fleet. Tommy Ramsey helped to knit his local London community together after the violence of the past several days. The Doctor and he shook hands in front of St Luke's Cathedral, and were photographed. This photograph later attracted the Doctor's attention, causing him to come to 1952 London several days earlier. (PROSE: Amorality Tale)

In 1980, John Lennon was assassinated by Mark David Chapman in New York City. Massive crowds took to the streets in mourning. One such mourner, Cristián Alvarez, met the Seventh Doctor, Ace and Benny for one of several times in his life. (PROSE: The Left-Handed Hummingbird)

In 2006, around three weeks into its voyage around the Earth that had begun on the 14th, the SS Elysium passed by the Tropic of Capricorn. (PROSE: Iceberg)

In 6064, Sir Lee Marks died, starting a minor power struggle over who would be his successor as the head of the charitable Ellershaw Foundation. (PROSE: Heritage)