1 March

On 1 March, 1981 the Fourth Doctor regenerated. He had thwarted the plans of to use CVEs to control the universe. (TV: Logopolis) Adric, Nyssa, and Tegan helped the newly-regenerated Fifth Doctor escape awkward questions by the police. (TV: Castrovalva)

Events

 * 1562 - Twenty-five Huguenots were killed in Wassy, France. The resulting French religious wars culminated in the St Bartholomew's Day Massacre. (TV:' 'The Massacre, PROSE: The Massacre of St Bartholomew's Eve'')
 * 1941 - The Seventh Doctor noted that changes were happening to the timeline of Nazi Germany. He, Benny, Chris and Roz Forrester attempted to set history on its correct course. (PROSE: Just War)
 * 1981 -

Behind the scenes

 * 1908 - Terence de Marney, who played the churchwarden in TV: The Smugglers, was born in London.
 * 1918 - Roger Delgado, the first actor to portray the Master, was born in London.
 * 1931 - Neville Barber (Humphrey Cook in TV: The Time Monster and Howard Baker in TV: A Girl's Best Friend) was born.
 * 1969 - Episode 6 of TV: The Seeds of Death was first broadcast.
 * 1975 - Part 2 of TV: The Sontaran Experiment was first broadcast.
 * 1982 - Part 2 of TV: Black Orchid was first broadcast.
 * 1983 - Part 1 of TV: Enlightenment was first broadcast.
 * 1983 - Lionel Sansby (a passenger in TV: Nightmare of Eden and a Krarg in HOMEVID: Shada) died.
 * 1984 - Part 3 of TV: Planet of Fire was first broadcast.
 * 1989 - Geoffrey Morris (Sabor in TV: Planet of the Spiders) died.