Brian Bán Ó Briain, King of Thomond, is killed; restoration of Diarmaid mac Toirdhealbach (see1343 in Ireland).
Aodh mac Aodh Bréifneach, last of Clann Mhuircheartaigh sept of O'Connors to hold kingship of Connacht (see1342 and 1343 in Ireland), is killed by Aodh Bán Ó Ruairc.
Aodh, son of Toirdhealbhach Ó Conchobhair, King of Connacht, is deposed by Edmond Albanach de Burgh in favor of his cousin, Aodh mac Feidhlimidh Ó Conchobhair.
"The Annals of Ireland by Friar John Clyn", edited and translated with an Introduction, by Bernadette Williams, Four Courts Press, 2007. ISBN 978-1-84682-034-2, pp. 240–244.
"A New History of Ireland VIII: A Chronology of Irish History to 1976", edited by T. W. Moody, F.X. Martin and F.J. Byrne. Oxford, 1982. ISBN 0-19-821744-7.