21 March

Behind the scenes

 * 1912 - Actor Eric Francis was born.
 * 1915 - Writer Ian Stuart Black was born.
 * 1923 - Actor Peter Pratt was born.
 * 1932 - Actor Tom Watson was born.
 * 1936 - Actor Roger Hammond was born.
 * 1944 - Actor Hilary Minster was born.
 * 1945 - Actor Michael Mundell was born.
 * 1946 - Actor Timothy Dalton was born.
 * 1964 - "Rider from Shang-Tu" was first broadcast on BBC1.
 * 1970 - Episode one of The Ambassadors of Death was first broadcast on BBC1.
 * 1981 - Part four Logopolis was first broadcast on BBC1, completing the eighteenth season of Doctor Who.
 * 1983 - Actor Bruno Langley was born.
 * 1996 - New Adventures novel Sleepy and Missing Adventures novel The English Way of Death were first published by Virgin Books.
 * 1996 - REF: Ace! The Inside Story of the End of an Era was first published by Doctor Who Books.
 * 2002 - Actor Neville Barber died.
 * 2006 - Recording for Big Finish audio story The Reaping completed.
 * 2007 - Issue fourteen of Doctor Who: Battles in Time, including comic story Beyond the Sea, was first released by GE Fabbri Ltd.
 * 2008 - Fragments was first broadcast on BBC Three.
 * 2009 - Filming for The End of Time began in a Cardiff bookstore with the scene in which the Tenth Doctor went to the book signing for Joan Redfern's great-granddaughter Verity Newman's A Journal of Impossible Things. This scene was actually filmed before the cast read-through even, because actress Jessica Hynes was only available to film on that one day before she had to fly to New York to film something else.
 * 2009 - Actors John Cater and John Franklyn-Robbins died.
 * 2011 - Doctor Who: Original Television Soundtrack: A Christmas Carol was first released on CD by Silva Screen Records.
 * 2012 - Recording for Big Finish audio story The Rings of Ikiria took place.