19 December 1915: birth of Simon Lack, who played Kettering in The Mind of Evil (1971) and Zadek in The Androids of Tara (1978).
19 December 1923: birth of Elwyn Jones, who co-wrote The Highlanders (1966-67).
19 December 1961: birth of Matthew Waterhouse, who played the Fourth and Fifth Doctor companion Adric from 1980 to 1982.
19 December 2009: death of Donald Pickering, who played Eyesen in The Keys of Marinus (1964), Blade in The Faceless Ones (1967) and Beyus in Time and the Rani (1987).
ii) broadcast anniversary
19 December 1964: broadcast of "The Waking Ally", fifth episode of the story we now call The Dalek Invasion of Earth. Jenny and Barbara are betrayed by the women in the woods and captured by the Daleks; Ian manages to break into the mine but hides in the missile which is headed for the earth's core; Susan and David kiss.