Silent film coincidences

I traveled to London in the summer of 2010 to attend the showing of a 1920 silent film that was thought to have been lost forever until I tracked down a copy in Montreal. The morning after the film was shown, I was searching the Internet to check some facts for a thank you email to the organizer of the screening when I came across an archive reference to a 1917 letter by the author of the book the film was based on. I ordered a copy from the archive and was astonished to find that it was about the author's latest book -- the one the film was based on. The author's letters are extremely rare and I had only been able to find two others after extensive research. Another strange coincidence linked to the film: I discovered the 1917 letter while staying in a B&B just around the corner from Knightsbridge tube station (an area of London I had never stayed in before). I later discovered that one of the actors in the film had died in the same station in 1933 at the age of 51 after having a heart attack and falling down the steps.