21 January

Events

 * 1941 - The "real" Captain Jack Harkness died in combat. (TW: Everything Changes, Captain Jack Harkness) Meanwhile, in London, the ex-Time Agent masquerading as Jack Harkness failed to report for duty. According to a detailed search of UK records performed by Gwen Cooper's police colleague Yvonne, he was never heard from again. (TW: Everything Changes) The evening of the 20th/21st January 1941 was therefore the time when "Captain Jack" began travelling in the TARDIS with the Ninth Doctor and Rose Tyler.

Behind the scenes

 * 1913 - Heron Carvic, who voiced Morpho in DW: The Keys of Marinus, was born.
 * 1938 - John Savident, who played The Squire in DW: The Visitation, was born.
 * 1967 - Episode 2 of DW: The Underwater Menace was first broadcast.
 * 1978 - Part 3 of DW: Underworld was first broadcast.
 * Geoffrey Orme, who wrote DW: The Underwater Menace, died.
 * 1993 - David Blake Kelly, who played Captain Benjamin Briggs in DW: The Chase and Jacob Kewper in The Smugglers, died.
 * 1999 - Leslie French died.