Complex sentence: At the establishment of the Chichester Literary and Ecclesiological Society in February 1831, Chandler accepted the office of President, and delivered the inaugural lecture, and continued for many years to give the annual opening address of the session.
Split into simpler sentences: At the establishment of the Chichester Literary and Ecclesiological Society in February 1831, Chandler accepted the office of President and delivered the inaugural lecture. He continued for many years to give the annual opening address of the session.