1900

January

 * Joan Redfern's husband Oliver was shot and killed at the Battle of Spion Kop. (DW: Human Nature) The same was true of Private Tommy Watkins. (CC: Tales from the Vault)

May

 * 17 - The Doctor was present at the Relief of Mafeking. (DW: The Daleks' Master Plan)

Unknown Dates

 * The War Lords kidnapped troops from the Boxer Rebellion in China for use in their War Games. (DW: The War Games)

February

 * 21 - Sydney Arnold, who played Perkins in DW: The Highlanders, was born in London.