Siege of Mafeking

The  was an event in 1900 and the subject of The Definitive Account of Mafeking by Atcheson-Price, a book that John Smith lent to Tim Latimer on 11 November 1913. While waiting for Smith to retrieve the book, Latimer stole Smith's fob watch, which, unbeknownst to him, contained the Tenth Doctor's Time Lord essence. (TV: Human Nature)

Hugh Curbishley mentioned the Siege of Mafeking. (TV: The Unicorn and the Wasp)

The First Doctor was present at the Relief of Mafeking. (TV: The Daleks' Master Plan, The Invasion of Time)