20 May

Events
to be added

Behind the scenes

 * 1915 - Peter Copley, who played Dr. Warlock in DW: Pyramids of Mars, was born at, Hertfordshire, England.
 * 1926 - John Lucarotti, who wrote three Doctor Who historicals, was born.
 * 1961 - Owen Teale, who played Maldak in DW: Vengeance on Varos and Evan Sherman in TW: Countrycide, was born in Swansea, Wales.
 * 1963 - Jenny Funnell (Veronica Buchman in BFA: Wirrn Isle) was born.
 * 1966 - Mervyn Pinfield, an associate producer and director for Doctor Who, died.
 * 1967 - DW: The Evil of the Daleks, Episode 1, was first broadcast.
 * 1972 - DW: The Time Monster, Episode 1, was first broadcast.
 * 1989 - Judith Byfield (Angela Clifford in DW: Time-Flight) died.
 * Anton Diffring (De Flores in DW: Silver Nemesis) died.
 * 1996 - Jon Pertwee, who played the Third Doctor, died from a heart attack in, USA.
 * 2006 - DW: The Age of Steel was first broadcast.
 * 2008 - Russell T Davies announced his departure from Doctor Who. Steven Moffat was chosen to replace him as Executive Producer.