Kalends of January fifth feria, first of the moon. AD 1047.
A great snowfall this year from the Feast of Mary in the winter 8 Dec. to the Feast of Patrick 17 March, the like of which was never experienced before, and it caused the death of many people and cattle and sea-beasts and birds.
Birth of Domnall son of Amalgaid, i.e. successor of Patrick.
Muirchertach grandson of Matudán, king of Uí Bresail, was treacherously killed in Ard Macha by Matudán ua Céilecáin.
Lann daughter of Selbachán, successor of Brigit, rested in peace.
Niall ua Ruairc was killed by ua Conchobuir.
Niall son of Mael Sechnaill made a predatory expedition into Brega and killed ua hIfernáin.