26 September 1946: birth of Togo Izawa, who played Dr Tanizaki in Cyberwoman (Torchwood, 2006) and the Secretary General of the United Nations in The Pyramid at the End of the World (Twelfth Doctor, 2017).
26 September 1909: birth of Leonard Sachs, who played Admiral de Coligny in The Massacre (First Doctor, 1966) and President Borusa in Arc of Infinity (Fifth Doctor, 1983)
26 September 2014: death of Maggie Stables, who played the Sixth Doctor's audio companion Evelyn Smythe in Big Finish audios from 2000 to 2011.
ii) production anniversaries
26 September 2003: the BBC announced that Doctor Who would return in 2004.
26 September 2015: broadcast of The Witch's Familiar. The Doctor and Davros are stuck together on Skaro; Clara and the mysterious Missy are on the way.