19 May 1935: birth of Michael Wisher, who played Wakefield in The Ambassadors of Death (1970), Rex Farrel in Terror of the Autons (1971), Kalik in Carnival of Monsters (1973), Davros in Genesis of the Daleks (1975), Magrik in Revenge of the Cybermen (1975) and Morelli in Planet of Evil (1975) as well as Dalek voices in several stories.
19 May 1947: birth of Michael Cochrane, who played Charles Cranleigh in Black Orchid (1982) and Redvers Fenn-Cooper in Ghost Light (1989).
19 May 1982: death of Elwyn Jones, who co-wrote The Highlanders (1966-67).
19 May 2006: death of Peter Bryant, script editor of Doctor Who from the second half of Evil of the Daleks (1967) to The Enemy of the World (1967-68) and then producer from The Web of Fear (1968) to The Wheel in Space (1969).
ii) broadcast anniversaries
19 May 1973: broadcast of first episode of The Green Death. The Brigadier and Jo go to Llanairfach in Wales to explore why people are turning green.
19 May 2007: broadcast of 42. The Doctor and Martha have 42 minutes to save the S.S. Pentallian.
iii) date specified in canon
19 May 1553: Rani appears in London and meets Lady Jane Grey, as seen in Lost in Time (SJA, 2010).