Which was built first,  Cathedral of St John the Evangelist, Portsmouth or Brecon Cathedral?
Cathedral of St John the Evangelist, Portsmouth: The Cathedral Church of St John the Evangelist (also known as St John's Cathedral) is a Roman Catholic cathedral in Portsmouth, England. Cathedral of St John the Evangelist, Portsmouth:  It was opened in 1882 and is the first cathedral to have been built in Portsmouth. Brecon Cathedral:  Previously the church of Brecon Priory and then the Parish Church of St John the Evangelist, it became Brecon Cathedral following the disestablishment of the Church in Wales in 1920 and the creation of the diocese in 1923.
St John's Cathedral