 On 13 March 1976, by the decree "Quod Ecumenicum", Pope Paul VI formed the Diocese of East Anglia (from the counties of Cambridge, Norfolk and Suffolk) out of the Diocese of Northampton.On 2 June 1976, the new diocese received its first bishop, Alan Clark.Bishop Clark had previously been auxiliary bishop of Northampton and co-chairman of ARCIC (Anglican/Roman Catholic International Commission), with the cathedral being established at the former parish church of St John the Baptist, Norwich.