21 June

History of the Doctor Who universe

 * 2540 - Bernice Summerfield is born.

History of Doctor Who

 * 1964 - David Morrissey is born.
 * 1969 - DW: The War Games Episode 10 first broadcast.
 * 1977 - Will Thorp (Tobias Zed in DW: The Impossible Planet / The Satan Pit) is born.