4 April

History of the Doctor Who Universe

 * 2009 - Easter Sunday. Lady Christina de Souza steals the Cup of Athelstan from the International Gallery and makes her getaway on a number 200 London bus, only to be unexpectedly transported to the planet of San Helios in the company of the Doctor. (DW: Planet of the Dead)

History of Doctor Who

 * 1964 - "Assassin at Peking", Episode 7 of DW: Marco Polo was first broadcast.
 * 1970 - Episode 3 of DW: The Ambassadors of Death was first broadcast.
 * 1976 - George Pastell died.
 * 2008 - TW: ''Exit Wounds First Broadcast.
 * 2010 - K9TV: Liberation was first broadcast. DW: The Eleventh Hour was rebroadcast on BBC Three.