6 May

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


 * 1758 - Maximilien Robespierre, whom the First Doctor and his companions met in 1794, was born. (TV: The Reign of Terror)
 * 1997 - Bernice Summerfield first met the Doctor in his eighth body. (PROSE: The Dying Days)

Behind the scenes

 * 1947 - Actor Alan Dale was born.
 * 1953 - Former Prime Minister of the United Kingdom (1997-2007) Tony Blair was born.
 * 1967 - Episode five of The Faceless Ones was first broadcast on BBC1.
 * 1972 - Episodes five of The Mutants was first broadcast on BBC1.
 * 1976 - Actress Alethea Charlton died.
 * 2006 - The Girl in the Fireplace was first broadcast on BBC One.