Kalends of January seventh feria, thirteenth of the moon. AD 583.
Repose of Fergus, bishop of Druim Lethglaise, who founded Cell Biain.
Mauritius reigned 21 years, as Bede and Isidore state.
Death of Bruide son of Maelchú, king of the Picts, and death of Feradach son of Daui, king of Osraige.
Or this year, the repose of Eitchen.