25 December

Events

 * Traditional date of Christmas Day.

History of the Doctor Who Universe

 * 1851: The Cybus Cybermen try to conquer Earth. The Cyber-King attacks London for a brief period of time but is destroyed by the Doctor and sends it to the Time Vortex. (DW: The Next Doctor)
 * 2006: The Doctor, Rose Tyler, and Mickey Smith stop an invasion of Earth by the Sycorax. (DW: The Christmas Invasion)
 * 2008: A spacegoing replica of the RMS Titanic, also called the Titanic, narrowly avoids a planned collision with Buckingham Palace thanks to the timely intervention of the Doctor. (DW: Voyage of the Damned)  Had it hit, London would have been destroyed in a nuclear blast. (DW: Turn Left)
 * 2058 - Crew of Bowie Base One celebrate their first Christmas on Mars. (DW: The Waters of Mars)

History of Doctor Who

 * 1965 - "The Feast of Steven" episode 7 of DW: The Daleks' Master Plan was first broadcast.
 * 1984 - Birth of Georgia Moffett (daughter of Peter Davison, later to portray the Doctor's daughter Jenny).
 * 1988 - Writer and director Terence Dudley died.
 * 2005 - DW: The Christmas Invasion was first broadcast.
 * 2006 - DW: The Runaway Bride was first broadcast.
 * 2007 - DW: Voyage of the Damned was first broadcast.
 * 2008 - DW: The Next Doctor was first broadcast.
 * 2009 - Part One of DW: The End of Time was first broadcast.