20 August

History of the Doctor Who universe

 * 1970 - Dorothy McShane, companion of the Seventh Doctor, is born.

History of Doctor Who

 * 1909 - André Morell is born.
 * 1916 - Bernard Archard is born.
 * 1932 - Anthony Ainley is born.
 * 1943 - Sylvester McCoy is born.
 * 1962 - Sophie Aldred is born.
 * 1962 - James Marsters is born.
 * 1991 - Betty Bowden dies aged 86.
 * 1993 - Sydney Arnold dies.
 * 1997 - Bill Mitchell dies.