21 March

Events
to be added

Behind the scenes

 * 1915 - Ian Stuart Black, who wrote and novelised three stories for Doctor Who, was born.
 * 1917 - Eric Francis (the First Elder in TV: The Sensorites) was born.
 * 1923 - Peter Pratt (the second actor to portray the Master) was born.
 * 1932 - Tom Watson was born.
 * 1936 - Roger Hammond was born.
 * 1944 - Hilary Minster (Marat in TV: Planet of the Daleks and a Thal soldier in Genesis of the Daleks) was born.
 * 1945 - Michael Mundell (Jasko in TV: The Invasion of Time) was born.
 * 1964 - "Rider From Shang-Tu", Episode 5 of TV: Marco Polo, was first broadcast.
 * 1970 - Episode 1 of TV: The Ambassadors of Death was first broadcast.
 * 1981 - Part 4 of TV: Logopolis was first broadcast.
 * 1983 - Bruno Langley was born.
 * 2002 - Neville Barber (Humphrey Cook in TV: The Time Monster and Howard Baker in TV: A Girl's Best Friend) died.
 * 2008 - TV: Fragments was first broadcast.
 * 2009 - John Franklyn-Robbins (Ferain in TV: Genesis of the Daleks) died.