23 April

Events
to be added

Behind the scenes

 * 1904 - Leslie French was born.
 * 1922 - Jack May was born.
 * 1966 - "The Final Test", Episoded4 of DW: The Celestial Toymaker.
 * 1975 - William Hartnell dies
 * 2005 - DW: World War Three was first broadcast.
 * 2011 - DW: The Impossible Astronaut was broadcasted on BBC One and BBC America