1920

On 20 January 1920, Toshiko Sato's grandfather was born in Japan. (TV: Captain Jack Harkness)

On 5 December, Kathy Nightingale, having been touched by the Weeping Angels in 2007, was transported to Hull on this date. Stranded, she established a new life for herself, eventually marrying Ben Wainwright and raising a family. (TV: Blink)

In Prague, the word "robot", meaning "forced labour" in Czech, was coined by Karel Capek. (COMIC: The Broken Man; AUDIO: Children of Steel)