22 May 1944: birth of John Flanagan, co-writer of Meglos (Fourth Doctor, 1980)
22 May 2001: death Jack Watling, who played Professor Travers in The Abominable Snowmen (Second Doctor, 1967), The Web of Fear (Second Doctor, 1968) and Downtime (unofficial, 1995).
ii) broadcast anniversaries
22 May 1965: broadcast of "The Executioners", first episode of the story we now call The Chase. The Tardis crew play with the Time-Space Visualiser and land on the planet Aridius, where the Daleks have pursued them.
22 May 1971: broadcast of first episode of The Dæmons. As archæologists open the ancient tomb at Devil's End, strange and deadly events occur around the village.
22 May 2010: broadcast of The Hungry Earth. The Doctor, Amy and Rory discover that a near-future Welsh drilling project is finding more than it bargained for.