21 September

On 21 September, 2360, the Eleventh Doctor and River Song visited Calderon Beta. (TV: First Night, Last Night)

Behind the scenes

 * 1919 - Actor Nigel Stock was born.
 * 1968 - Episode two of The Mind Robber was first broadcast on BBC1.
 * 1987 - Part three of Time and the Rani was first broadcast on BBC1.
 * 2006 - Actor Tony Lambden died.
 * 2010 - Composer Geoffrey Burgon died.