1887

June

 * Prior to 28 June - Julia Hardwick, a woman from the early 21st century, was transported to this year by the Weeping Angels (WC: A Ghost Story for Christmas).
 * 28 - Julia Hardwick, still recovering from her time displacement, tried to convince people she was from the future. Her story caught the attention of a local newspaper, which published a story about her on this date (WC: A Ghost Story for Christmas).

November

 * 10 - American gunfighter Doc Holliday died, but not before giving a journalist a detailed account of an aspect of the O.K. Corral gunfight several years earlier not generally recorded in the history books, involving another Doctor. (DWN: The Gunfighters)

Unknown dates

 * Arthur Conan Doyle's "A Study in Scarlet," the first story to feature Sherlock Holmes, was published. Doyle had been commissioned to ghost write fictionalised accounts of the cases of a real consulting detective and his physician assistant, called in the stories, "Dr. Watson." Doyle's fictional version of the detective was inspired by the Fourth Doctor, whom he had met several years earlier. The real detectives Holmes and Watson were based on also had their own adventure with the Seventh Doctor. (MA: Evolution, NA: All-Consuming Fire)
 * Esperanto was invented by Zamenhof to become a universal language of peace. (EDA: Legacy of the Daleks)