Bowl of Chalk - Jonnie Fielding on Instagram: "Fun London Fact #490. The first ever J. Sainsbury was in Covent Garden on Drury Lane, opened by John James and Mary Ann Sainsbury in 1869. Originally just selling dairy products from a one counter shop, they have now expanded in to a huge multi million pound supermarket empire employing about 141,000 people and 600 supermarkets. #london #funfact #funfacts #trivia #sainsburys #supermarket #coventgarden #milk #cheese #eggs #history #londonhistory #sai