April 28, 1895: Holmes received a note from Violet Smith saying that she was leaving her job. [SOLI]
The Thursday brought us another letter from our client. “You will not be surprised, Mr. Holmes”, said she, “to hear that I am leaving Mr. Carruthers’ employment. Even the high pay cannot reconcile me to the discomforts of my situation. On Saturday I come up to town, and I do not intend to return. Mr. Carruthers has got a trap, and so the dangers of the lonely road, if there ever were any dangers, are now over.
Some date information provided by the volume A Day-by-Day Chronology of Mr. Sherlock Holmes, according to Zeisler and Christ, compiled and edited by William S Dorn.