Kalends of January second feria, thirteenth of the moon. AD 640.
Death of Maelodar Caech, king of the Airthir.
Death of Bruide son of Foth.
Domnall. son of Aed changed camp in Druim Naó.
Shipwreck of a vessel of the community of Í.
The besieging of Rith.
The burning of Mael Dúin in Inis Caín.
The killing of Mael Dúin son of Fergus, and of Mael Dúin son of Colmán.