i) births and deaths

24 May 1944: birth of Fiona Walker, who played Kala in The Keys of Marinus (First Doctor, 1964) and Lady Peinforte in Silver Nemesis (Seventh Doctor, 1988).

24 May 1945: birth of Graham Williams, producer of the 15th to 17th seasons of Doctor Who (the fourth to sixth Fourth Doctor seasons, from Horror of Fang Rock to ShadaThe Invasion of Time and City of Death, and author of the unbroadcast story The Nightmare Fair which brought back the Celestial Toymaker (and was released in audio format by Big Finish in 2009).

24 May 1986: death of the great Robert Holmes, script editor from Robot (1974-75) to Image of the Fendahl (1977), and author of The Krotons (Second Doctor, 1968-69), The Space Pirates (Second Doctor, 1969), Spearhead from Space (Third Doctor, 1970), Terror of the Autons (Third Doctor, 1971), Carnival of Monsters (Third Doctor, 1973), The Time Warrior (Third Doctor, 1973-74), The Ark in Space (Fourth Doctor, 1975), Pyramids of Mars (1975), The Brain of Morbius (co-author, 1976), The Deadly Assassin (1976), The Talons of Weng-Chiang (1977), The Sun Makers (Fourth Doctor, 1977), The Ribos Operation (Fourth Doctor, 1978), The Power of Kroll (Fourth Doctor, 1978-79), The Caves of Androzani (Fifth Doctor, 1984), The Two Doctors (Sixth Doctor with Second Doctor, 1985), The Mysterious Planet (Sixth Doctor, 1986), and the first episode of The Ultimate Foe (Sixth Doctor, 1986). See Richard Molesworth's excellent biography.

ii) broadcast anniversaries

24 May 1969: broadcast of sixth episode of The War Games. The Doctor tries to outmanoeuvre the Security Chief, but is trapped in a shrinking SIDRAT.

24 May 2010: broadcast of Taphony and the Time Loop, twentieth episode of the Australian K9 series, and for my money of the the best of them. When Gryffen breaks an alien out of VR prison, he may have put everyone in danger. I think I would recommend that the curious sample this episode if they want to see what the Australian K9 series was like at its best.

24 May 2012: broadcast of Good as Gold during that day's Blue Peter, an episode written by the children of Ashdene School.

24 May 2013: webcast of Strax Field Report: The Doctor's Greatest Secret.