CAS Summer Exhibition is a Chelsea Calendar Event, and this year is their Jubilee Year, being the 75th Summer Exhibition. Free to Visitors 12-17th June 2024. Founded in 1910, The Chelsea Art Society is the oldest and sole survivor of the many art groups that blossomed in the area around that period. Rossetti and Turner began the trend to settle in Chelsea in the mid 19th Century, followed by Whistler, Sickert, Augustus John and John Singer Sargent.