i) births and deaths

7 November 1950: birth of Lindsay Duncan, who played Adelaide Brooke in The Waters of Mars (2009).

ii) broadcast anniversary

7 November 1964: broadcast of “Dangerous Journey”, second episode of the story we now call Planet of Giants. Ian and Barbara are trapped inside the laboratory; the Doctor and Susan scale a drainpipe to rescue them but are themselves threatened by the water.

ii) date specified in canon

7 November 1987: Peter Tyler is killed crossing the road to a friend’s wedding – oh no he isn’t – oh yes he is – as seen in Father’s Day (2005).