25 December

25 December was the traditional date of Christmas Day. (DW: Voyage of the Damned)

Events

 * 1851 - The Cybermen created by Cybus Industries attempted to conquer Earth, but were stopped by the Tenth Doctor. (DW: The Next Doctor)
 * 1914 - - The Ninth Doctor and Rose Tyler visited a World War I battlefield and participated in a football match between the British and German soldiers. (IDW: The Forgotten) Elsewhere on the Western Front, the Fifth Doctor witnessed another such football match while temporarily separated from Peri Brown. (ST: Never Seen Cairo)
 * 1965 - The TARDIS materialised outside a police station. The First Doctor, Steven Taylor and Sara Kingdom were arrested. (DW: The Daleks' Master Plan)
 * 2004 - The First Doctor, Ian Chesterton, Barbara Wright and Vicki Pallister became trapped in a time loop in the home of George Smythe, his wife Patricia and his children of Josie and Mark. (ST: Every Day)
 * 2006 - The newly regenerated Tenth Doctor stopped an invasion of Earth by the Sycorax. (DW: The Christmas Invasion)
 * 2008 - Astrid Peth sacrificed her life to kill Max Capricorn onboard the spacegoing replica of the RMS Titanic, also called the Titanic. The control of the Heavenly Host passed to the Tenth Doctor, and they helped him narrowly avoid a planned collision with Buckingham Palace. (DW: Voyage of the Damned)
 * 2013 - After an absence of two years, the Eleventh Doctor joined Amy Pond and Rory Williams for Christmas dinner. (DW: The Doctor, the Widow and the Wardrobe)
 * 2017 - The Chelbil invaded Earth. They were scared away from the planet by the Eighth Doctor and Goilin B. After the departure of the Chelbil, the Doctor planned to invite Jason Kane, Bernice Summerfield, Ace and Grace Holloway to Christmas dinner. (ST: Not in My Back Yard)
 * 2058 - The crew of Bowie Base One celebrated their first Christmas on Mars. (DW: The Waters of Mars)

Donna's World Timeline

 * 2008 - A space-going replica of the RMS Titanic, also called the Titanic, crashed into London and destroyed it in a nuclear blast. (DW: Turn Left)

Behind the scenes

 * 1916 - Edward Burnham (Watkins in DW: The Invasion and Professor J.P. Kettlewell in Robot) was born.
 * 1965 - "The Feast of Steven", episode 7 of DW: The Daleks' Master Plan, was first broadcast.
 * 1965 - The first part of TVC: A Christmas Story was released.
 * 1984 - Georgia Moffett (daughter of Peter Davison, who later portrayed the Doctor's daughter Jenny), was born.
 * 1988 - Writer and director Terence Dudley died.
 * 1999 - Actor Peter Jeffrey died.
 * 2003 - Comic artist Art Wetherell 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.
 * 2010 - DW: A Christmas Carol was first broadcast.
 * 2010 - VG: Shadows of the Vashta Nerada was released.
 * 2010 - K9TV: Jaws of Orthrus was first broadcast on Five in the UK.
 * 2011 - DW: The Doctor, the Widow and the Wardrobe was first broadcast.