GILLINGHAM, a municipal borough of Kent, England, on the Medway. Pop. (1931) 60.983. Its population is largely in dustrial, employed in the Chatham dockyards. The church of St. Mary Magdalene ranges in date from Early English to Perpen dicular, retaining also traces of Norman work and some early brasses. A battle between Edmund Ironside and Canute, c. 1016, is placed here; and there was formerly a palace of the archbishops of Canterbury. Gillingham was incorporated in 1903.