Cathedrals are the chief churches of a diocese, where the archbishop or bishop has his throne (cathedra). The fabric and worship of the church itself is the responsibility of the dean. The oldest dioceses of the Church of England are Canterbury (597), London (604), Rochester (604), York (625), Norwich (631), Lincoln (Lindsey) (634), Durham (Lindisfarne) (635), Lichfield (656), Hereford (676), and Worcester (680). The newest are Birmingham (1905), Southwark (1905), Chelmsford (1914), Bury St Edmunds (1914), Coventry (1918), Bradford (1920), Derby (1927), Guildford (1927), Leicester (1927), and Portsmouth (1927).



