"The defeat of Berna-in-mil was inflicted on Tomaltach Mac Diarmata and on Mac William, where were killed many of the people of Mac William by the son of the Earl and Tomaltach Mac Donnchaidh."
January 20 - May 2 Justicier de Lucy campaigns in Munster, where he captures William and Walter de Bermingham in February (see July 11)
July Bunratty castle captured by King Muirchertach of Thomond and Mac Con Mara
August 4 Justicer de Lucy ordered to stay execution against magnates imprisoned for felonies; Roger Outlaw commissioned to treat with English and Irish at war with Edward III
"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.