28 September 1919: birth of Terence Dudley who directed Meglos (Fourth Doctor, 1980) and wrote Four to Doomsday (Fifth Doctor, 1982), Black Orchid (also Fifth Doctor, 1982) and The King's Demons (Fifth Doctor, 1983) not to mention K9 & Company: A Girl's Best Friend (1981).
28 September 1937: birth of Donald Gee, who played Major Ian Warne in The Space Pirates (Seocnd Doctor, 1969) and Eckersley in The Monster of Peladon (Third Doctor, 1974).
28 September 1986: death of Denis Carey, who played Professor Chronotis in Shada (unbroadcast Fourth Doctor, but would have been 1980), the Keeper in The Keeper of Traken (Fourth Doctor, 1981), and the Old Man (the front identity for the Borad) in Timelash (Sixth Doctor, 1985).
ii) broadcast anniversaries
28 September 1968: broadcast of third episode of The Mind Robber, where Jamie turns back into himself, and the team meet Rapunzel, the Minotaur and the Medusa.
28 September 1987: broadcast of fourth and final episode of Time and the Rani. The Doctor defeats the Rani and rescues the kidnapped geniuses.