21 June

History of the Doctor Who universe

 * 2540 - Bernice Summerfield was born. (BFBS: Just War (audio drama))

History of Doctor Who

 * 1964 - David Morrissey was born.
 * 1969 - DW: The War Games, Episode 10 was first broadcast.
 * 1977 - Will Thorp was born.