On December 7th…

December 7, 1888: Lord St Simon consulted Holmes [NOBL]
December 7, 1888: Holmes introduced Lord St Simon to Mr And Mrs Francis Hay Moulton [NOBL]
December 7, 1896: Godfrey Staunton disappeared [MISS]

On December 4th…

December 4, 1878: Mary Morstan visited the Langham Hotel. [SIGN]
December 4, 1888: Francis Hay Moulton moved to 226 Gordon Square. [NOBL]
December 4, 1888: Lord Robert St Simon married Hattie Doran. [NOBL]
December 4, 1888: Hattie Doran disappeared. [NOBL]

On December 3rd…

December 3, 1878: Captain Arthur Morstan disappeared. [SIGN]
December 3, 1888: Newspapers announced that the St Simon wedding would be a quiet one [NOBL]
December 3, 1888: Francis Hay Moulton arrived in London. [NOBL]

On October 19th…

October 19, 1889: The Red-Headed League was dissolved. [REDH]
October 19, 1889: Holmes captured John Clay. [REDH]
October 19, 1900: Holmes and Watson shot and killed the Hound of the Baskervilles. [HOUN]
October 19, 1900: Jack Stapleton perished in the Grimpen Mire