10 April

History of Doctor Who

 * 1916 - John Alderson born
 * 1965 - "The Wheel of Fortune", Episode 3 of DW: The Crusade was first broadcast.
 * 1971 - Episode 1 of DW: Colony in Space was first broadcast.
 * 2008 - NSA: The Many Hands, Snowglobe 7 and Martha in the Mirror published.
 * 2010 - The Beast Below was first broadcast.