1881

On 26 October 1881, the Gunfight at the O.K. Corral occurred in Tombstone, Arizona Territory, USA. The fight, between the Earp brothers and Doc Holliday against a group of outlaws, became one of the most iconic events in the history of the Old West. The First Doctor, Steven Taylor and Dodo Chaplet arrived in Tombstone in the hours preceding the fight in order for the Doctor to treat a toothache (he obtained said services from Holliday). The Doctor, Steven and Dodo subsequently witnessed the event. (DW: The Gunfighters)

Unknown Dates
In Egypt, Madame Vastra helped a group of archaeologists to excavate a tomb, with the intention of eating any mummies that were found inside. Meanwhile, in London, the Doctor and Jenny defeated a Kraal plot to replace Prince Bertie with an android duplicate. (REF: The Brilliant Book 2012​)