25 December

History of Doctor Who

 * Traditional date of Christmas Day.


 * 1642: Isaac Newton born.
 * 1869: The Ninth Doctor and Rose Tyler encounter Charles Dickens in Cardiff during the events of The Unquiet Dead.
 * 2006?: The Tenth Doctor, Rose Tyler, and Mickey Smith stop an invasion of Earth by the Sycorax during the events of The Christmas Invasion.