Kalends of January fifth feria, thirteenth of the moon. AD 564.
The slaying of Diarmait son of Cerball i.e. by Aed Dub son of Suibne; and the two sons of Mac Erca, Forgus and Domnall, succeeded him.
Repose of Brénainn of Biror, as some say.
The battle of Gabair Liphi, and the death of Daimíne Daim Airgit.