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)

Amongst the other notable things that occurred on this day were:


 * 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)

Behind the scenes

 * 1908 - Actor Terence de Marney was born.
 * 1918 - Actor Roger Delgado was born.
 * 1931 - Actor Neville Barber was born.
 * 1964 - Actor Sean Gilder was born.
 * 1969 - Episode six of The Seeds of Death was first broadcast on BBC1.
 * 1969 - Part five of TV Comic story Martha the Mechanical Housemaid was first released in issue eight hundred and ninety-eight.
 * 1975 - Part two of The Sontaran Experiment was first broadcast on BBC1.
 * 1982 - Part one of Black Orchid was first broadcast on BBC1.
 * 1983 - Part one of Enlightenment was first broadcast on BBC1.
 * 1983 - Actor Lionel Sansby died.
 * 1984 - Part three of Planet of Fire was first broadcast on BBC1.
 * 1986 - BBC1 Controller Bill Cotton announced that Doctor Who would return from its temporary hiatus in autumn of that year. He also broke the news that the show would return to its 25-minute format. However, he misled fans by implying that the reason for the change of format was to increase the length of the broadcast season — something that did not at all prove to be true of season 23. (REF: The Sixth Doctor Handbook)
 * 1989 - Actor Geoffrey Morris died.
 * 1999 - Eighth Doctor Adventures novel Demontage and Past Doctor Adventures novel Deep Blue were first published by Virgin Books.
 * 1999 - PROSE: Dead Romance was first published.
 * 2002 - Part three of WC: "Planet of Blood" was first released.
 * 2004 - Pyramids of Mars was released on Region 2 DVD.
 * 2005 - A DVD box set including The Visitation and The Green Death was first released in Region 1.
 * 2006 - Big Finish Sarah Jane Smith audio story Fatal Consequences was first released.
 * 2007 - Quick Reads novel Made of Steel was first published by BBC Books.
 * 2009 - exhibition The Art of Doctor Who closed.
 * 2010 - A DVD box set including The Space Museum and The Chase was first released in Region 2.
 * 2013 - Destiny of the Doctor audio story Vengeance of the Stones was first released for download by Big Finish Productions.