Complex sentence: He acted at Drury Lane from 1804 to 1809, and again from 1812; and from 1819 he was the lessee of the house, presenting Edmund Kean, Mme Vestris, and Macready.
Split into simpler sentences: He acted at Drury Lane from 1804 to 1809, and again from 1812. From 1819 he was the lessee of the house, presenting Edmund Kean, Mme Vestris, and Macready.