23 February

Behind the scenes

 * 1918 - Writer Bill Strutton was born.
 * 1928 - Actor Bernard Kay was born.
 * 1930 - Script editor Gerry Davis was born.
 * 1968 - Actress Tamsin Greig was born.
 * 1974 - Part one of Death to the Daleks was first broadcast on BBC1.
 * 1978 - Actress Jo Joyner was born.
 * 1982 - Part four of The Visitation was first broadcast on BBC1.
 * 1983 - Part four of Terminus was first broadcast on BBC1.
 * 1984 - Part one of Planet of Fire was first broadcast on BBC1.
 * 1985 - Both part two of The Two Doctors and the sketch A Fix with Sontarans were broadcast on BBC1.
 * 1987 - Actor Esmond Knight died.
 * 1996 - Actor Roy Heymann died.
 * 2002 - Recording for Big Finish Sarah Jane Smith audio story Test of Nerve took place.
 * 2007 - Doctor Who: Battles in TIme trading card set Annihilator was first released in Doctor Who: Battles in Time.
 * 2009 - Recording for Big Finish audio stories Outsiders, Terror, Machines and Extinction continued.
 * 2009 - Actor Laurence Payne died.
 * 2010 - Audio story The Last Voyage was first released by BBC Audio, as were the audio adaptations of the novelisations Doctor Who and the Dalek Invasion of Earth, Doctor Who and the Ice Warriors and Doctor Who and the Planet of the Spiders. An audio adaption of BBC Books novel Beautiful Chaos was also released by AudioGO, read by Bernard Cribbins.
 * 2012 - Doctor Who Adventures comic story The Fairest of Them All was first released in issue two hundred and fifty-seven.
 * 2013 - Puffin eshort The Nameless City was first released by Puffin Books.