On April 20th…

April 20, 1897: Dr Leon Sterndale confessed to murdering Mortimer Tregennis (DEVI)

April 20, 1897: Holmes decided to allow Dr Leon Sterndale to return to central Africa to complete his work. (DEVI)

April 20, 1890: Carlo the mastiff was last fed (COPP)

On April 19th…

April 19, 1888: Holmes, Watson, and Athelney Jones chased the launch Aurora down the river Thames (SIGN)

April 19, 1888: Tonga was shot and killed by Holmes or Watson or both (SIGN)

On April 18th…

April 18, 1887: Action’s house in Reigate was broken into (REIG)

April 18, 1887: Holmes and Watson arrived home from Lyons (REIG)

April 18, 1888: The Baker Street Irregulars started their search for the launch Aurora (SIGN)

April 18, 1897: Dr. Leon Sterndale murdered Mortimer Tregennis (DEVI)

On April 17th…

April 17, 1897: Dr. Leon Sterndale abandoned his trip to Africa (DEVI)

April 17, 1888: Toby led Holmes and Watson on a creosote trail (SIGN)

April 17, 1888: the launch Aurora disappeared (SIGN)

On April 16th…

April 16, 1888: Holmes, Watson and Mary Morstan went to Pondicherry lodge (SIGN)

April 16, 1897: Brenda Tregennis was murdered and her two brothers lost their sanity (DEVI)

April 16, 1898: Violet Smith was followed by the solitary cyclist for the second time (SOLI)

On April 15th…

April 15, 1887: Watson arrived at Holmes’s bedside in Lyons (REIG)

April 15, 1888: Tonga killed Bartholomew Sholto with a poison dart (SIGN)

April 15, 1890: Violet Hunter sat in the window seat for the third time (COPP)

On April 7th…

April 7, 1883: Grant Munro and Sherlock Holmes discovered who was behind the Yellow Face (YELL)

April 7, 1890: Violet Hunter consulted Sherlock Homes (COPP)

On April 5th…

April 5, 1883: Grant Munro stayed home from his office a 2nd day (YELL)

April 5, 1890: Jephro Rucastle wrote and posted a letter to Violet Hunter (COPP)