23 August 1991: death of Innes Lloyd, producer of Doctor Who from The Celestial Toymaker to The Enemy of the World, who overhauled the show by getting rid of all the regular cast including the star, thus ensuring its long-term survival.
ii) broadcast anniversary
23 August 2002: Webcast of episode 4 of Real Time. Evelyn is faced with becoming a Cyberman; the Doctor confronts the bloke played by Yee Jee Tso and discovers
23 August 2014: broadcast of Deep Breath, the Twelfth Doctor's first full story. The new Doctor arrives in Victorian London. There are dinosaurs, spntaneous combustions, clockwork men and the Paternoster Gang. And Clara gets a phone call from the old Doctor. (This is the earliest autumn opening of a season in New Who, and the second earliest autumn opening ever.)