12 January

On 12 January 1976, Agatha Christie died. (TV: The Unicorn and the Wasp)

Agatha was not the only one to die on that day. On the same day in 1898, Florence Sundvik died as well. (TV: The Curse of Fenric)

Behind the scenes

 * 1938 - Actor Lewis Fiander was born.
 * 1961 - Actor Sean Blowers was born.
 * 1974 - Episode one of Invasion of the Dinosaurs was first broadcast on BBC1.
 * 1976 -
 * 1980 - Episode four of The Horns of Nimon was first broadcast on BBC1, ending Doctor Who's seventeenth season.
 * 1982 - Episode four of Castrovalva was first broadcast on BBC1.
 * 1983 - Episode four of Arc of Infinity was first broadcast on BBC1.
 * 1984 - Episode three of Warriors of the Deep was first broadcast on BBC1.
 * 1984 - Peter Davison had his last day of shooting in the role of the Fifth Doctor. Reportedly, Patrick Troughton (who had played the Second Doctor) had recommended to him that he leave the role after three years, and Davison followed his advice. He left the role nearly exactly three years after his first day of shooting in 1981.
 * 1985 - Episode two of Attack of the Cybermen was first broadcast on BBC1.
 * 2010 - The complete Hornets' Nest was released for the first time together in one CD.