1870

1870 was the year Charles Dickens died. He left The Mystery of Edwin Drood unfinished. (TV: The Unquiet Dead)

The Eleventh Doctor, Amy Pond and Rory Williams encountered Kahler-Jex and Kahler-Tek in Mercy, Nevada. To avoid Tek chasing him across the universe for his war crimes, Jex killed himself. Tek became the protector of Mercy. (TV: A Town Called Mercy)

Behind the scenes

 * Twenty Thousand Leagues Under the Sea was first published. The enigmatic character of Captain Nemo would be a model for Sydney Newman's original concept for the Doctor.