Cétadach, of the Íb Cormaic of Maenmag, abbot of Cluain moccu Nóis, and Tuathal son of Feradach, abbot of Rechru and Dairnmag, rested.
Cinaed son of Conaing, king of Cianacht, rebelled against Mael Sechnaill with the support of the foreigners, and plundered from the Sinann to the sea, both churches and peoples, and he sacked the islands of Loch Gabor, and the oratory of Treoit, with two hundred and seventy people in it, was burned by him, and the oratory of Nuarrach with sixty people.
The death of Cobthach son of Mael Coba, king of Ciarraige Luachra.
Rechtabra, abbot of Cluain Ferta Brénainn, rested.
Loch Laígh in the territory of the Umall among the Connachta vanished.
Ólchobur son of Cinaed, king of Caisel, dies.
Cinaed son of Conaing, king of Cianacht, was cruelly drowned in a pool i.e. in Angi by Mael Sechnaill and Tigernach, in spite of the guarantees of the nobles of Ireland, and the successor of Patrick in particular.
The dark heathens came to Áth Cliath, made a great slaughter of the fair foreigners, and plundered the naval encampment, both people and property. The dark heathens made another raid on the fair foreigners at Linn Duachaill, with great slaughter.
A royal conference in Ard Macha between Mael Sechnaill, accompanied by the nobles of Leth Cuinn, and Matudán with the nobles of Conchobor's Province, and Diarmait and Fethgna with the congregation of Patrick, and Suairlech with the clerics of Mide.
Two successors of Patrick, i.e. Forannán, scribe and bishop and anchorite, and Diarmait, the most learned of all the teachers of Europe, rested.
Ard Macha was laid waste by the foreigners of Linn Duachaill on the day following Summer-Lent.
The complement of eight score ships of fair foreigners came to Snám Aignech, to do battle with the dark foreigners; they fought for three days and three nights, but the dark foreigners got the upper hand and the others abandoned their ships to them. Stain took flight and escaped, and Iercna fell beheaded.
Fogartach son of Mael Bresail, king of Airgialla, dies.
Colum son of Airechtach, abbot of Corcach, rested.
Fethgna in the successorship of Patrick.
Amlaíb son of the king of Lochlann came to IreIand, and the foreigners of Ireland submitted to him and he took tribute from the Irish.
Echtigern son of Guaire, king of Laigin Desgabair, was deceitfully killed by Bruatur son of Aed and by Cerball son of Dúngal; and Bruatur son of Aed was deceitfully killed by his own associates on the forty-seventh day after the killing of Echtigern.
Cathal son of Tomaltach, one of two kings of Ulaid, was killed by the Norsemen.
Mael Sechnaill, king of Temair, went with the men of Mumu to Inneóin na nDéise, and took hostages from them.
Indrechtach grandson of Fínnechta, successor of Coluim Cille, an excellent scholar, was martyred among the Saxons on the fourth of the Ides l2th of March.
Muirgel, queen of Laigin, died.