Synod of Kells of Dublin and Tuam to archdioceses. The four provinces of Armagh, Cashel, Dublin and Tuam corresponded to the contemporary boundaries of the provinces of Ulster, Munster, Leinster and Connacht respectively. The diocesan structure established by the synod largely survived until the sixteenth century, and still forms the basis of the territorial structure of both the Catholic Church and the Church of Ireland, with many of the sees now merged. Synod of Kells The Synod of Kells took place in AD 1152, under the presidency of His Eminence Giovanni Cardinal Paparoni, and continued the process begun at the Synod of Ráth
Book of Kells followed by their "Breves causae". This anomalous order mirrors that found in the Book of Durrow, although in the latter instance, the misplaced sections appear at the very end of the manuscript rather than as part of a continuous preliminary. In other insular manuscripts, such as the Lindisfarne Gospels, the Book of Armagh, and the Echternach Gospels, each Gospel is treated as a separate work and has its preliminaries immediately preceding it. The slavish repetition in Kells of the order of the "Breves causae" and "Argumenta" found in Durrow led scholar T. K. Abbott to the conclusion that the scribe