Convention of Druim Ceat, at which agreement is reached between the Uí Néill and the king of Dál Riata maintaining the peace and the balance of power.[6] The poets are said to have been saved from banishment by the intervention of Columba.[10]
^ abcdefghijklmnopqrstuvwxyMoody, T. W.; Martin, F. X.; Byrne, F. J., eds. (1989). A New History of Ireland. 8: A Chronology of Irish History. A Companion to Irish History, part I. Oxford University Press. ISBN978-0-19-821744-2.
^ abGratton-Flood, W. H. (1907), "The Twelve Apostles of Erin", The Catholic Encyclopedia, vol. I, New York: Robert Appleton Company, retrieved 2008-02-09
^ abcdeMac Annaidh, Séamas, ed. (2001). Illustrated Dictionary of Irish History. Dublin: Gill and Macmillan. ISBN0717135365.
^ abcdeMcCarthy, Daniel P. (1998). The Chronology of the Irish Annals. Proceedings of the Royal Irish Academy, Section C, Archaeology, Celtic studies, history, linguistics, and literature, 98(6). Dublin: Royal Irish Academy.
^Duffy, Seán (2005). The Concise History of Ireland. Dublin: Gill & Macmillan. ISBN9780717138104.
^Jones, Terry. "Brendan of Birr". Patron Saints Index. Archived from the original on 19 January 2008. Retrieved 30 December 2007.
^Moody, T. W.; Martin, F. X., eds. (1967). The Course of Irish History. Cork: Mercier Press. p. 60.