7 February

 was notable for a number of highly varied events on Earth and its parallels:


 * 1894 - Tommy Brockless was born in Manchester. (TV: To the Last Man)
 * 1943 - In an alternate timeline, the United States of America conducted the first test of the atom-bomb in order to destroy the ironsides, unwilling to leave the powerful weapons in the sole hands of the British. (DWAN: Doctor Who The Official Annual 2011)
 * 1987 - An elderly Katherine Wainwright, née Nightingale penned a letter for her friend, Sally Sparrow, to read. The younger version of Kathy would be transported back to 1920 by a Weeping Angel shortly after Kathy's grandson delivered Sally the letter in 2007. (TV: Blink)

Behind the scenes

 * 1916 - Actor John Baskcomb was born.
 * 1942 - Actor Gareth Hunt was born.
 * 1956 - Actor Bhasker Patel was born.
 * 1970 - Episode two of TV: Doctor Who and the Silurians was first broadcast.
 * 1976 - Part two of TV: The Seeds of Doom was first broadcast.
 * 1981 - Part two of TV: The Keeper of Traken was first broadcast.
 * 2003 - Actor Stephen Whittaker died.