1921

Doctor Who universe

 * The First Doctor, Steven Taylor and Sara Kingdom visited a Hollywood movie set. (DW: The Daleks' Master Plan)

January

 * 23 - Kevin Stoney, who played Mavic Chen in The Daleks' Master Plan, Tobias Vaughn in The Invasion, and Tyrum in Revenge of the Cybermen, is born.

August

 * 22 - Robert Marsden, who played Abraham Lincoln in The Chase, is born in West Hampstead, London.

September

 * 11 - Edwin Richfield, who played Captain John Hart in The Sea Devils and Mestor in The Twin Dilemma, is born in London, England, UK.