The office of mayor of Chester was continued in 1974 by virtue of the charter, the title being borne by the chairman of the council. The mayor of Chester had, since at least 1528, enjoyed the additional honorific title of "Admiral of the Dee". The title was confirmed by letters patent dated 15 May 1974. In 1992, as part of celebrations of the fortieth anniversary of the accession of Elizabeth II, the mayor's title was raised to Lord Mayor of Chester by letters patent dated 10 March 1992.