Kalends of January fifth feria, twenty-seventh of the moon. AD 587.
Repose of Cairlén, bishop of Ard Machathe bishop of Ard Macha, i.e. Ciarlaech from the territory of the Uí Nialláin.
Repose of Senach, bishop of Cluain Iraird.
Death of the grandsons of Giun(?).
The conversion of Constantine to the Lord; and a great snowfall; and the slaying of Áed Dub son of Suibne, in a ship.