![Paget illustration for the Adventure of the Beryl Coronet](https://www.johnhwatsonsociety.com/wp-content/uploads/2017/02/bery-paget-green.png)
February 19, 1886: Holmes followed the footprints that Arthur Holder and Sir George Burnwell made in the snow. [BERY]
February 19, 1886: Mary Holder eloped with Sir George Burnwell. [BERY]
Source
Information provided from the volume A Day by Day Sherlockian Chronology by William S Dorn DWNP, BSI.