Kalends of Jan. on 5th feria, 12th of the moon, A.D. 1181.
Aedh Mac Murchadha, royal chief of Muinnter-Birn and the Airthir and the Cantred, was killed by Mac Mathgamna in treachery, at a meeting.
In this year also Flaithbertach Ua Maeldoraidh, namely, king of Cenel Conaill, gained a battle upon the sons of the kings of Connacht, that is, on the Saturday of Pentecost [May 23] and there were killed indeed sixteen sons of kings of the sons of kings of Connacht and [there was] stark slaughter of Connacht besides.
A hosting by Domnall, son of Aedh Ua Lochlainn and by the Cenel-Eogain of Telach-oc into Ulidia and they gained a battle over the Ulidians and over Ui-Tuirtri and over Fir-Li, around Ruaidhri Mac Duinnsleibhe [Ua Eochadha] and around Cu-Midhe Ua Flainn.
A great foray by the Men of Magh-Itha around O'Cathain, namely, Echmarcach and by the Cenel-Binnigh of the Glenn, until they went past Tuaim [on the Bann] and harried Fir-Li and Ui-Tuirtri and took away many thousands of cows.
Tomaltach Ua Conchobair assumed the succession of Patrick and the circuit of Cenel-Eogain was made by him, so that he took away large circuit [cess] and gave a blessing to them.
(Domnall Ua Ceinneidig, king of Ormond, was slain.
Donnsleibe O'Gadhra, king of Sliab-Lughu, was slain.
Domnall Ua Concenainn, king of Ui-Diarmata, was slain.
Acan Ua Fallamhain, chief of the Clann-Uadach, dies.
The battle of the royal-heirs, wherein fell two sons of Toirrdelbach Ua Concobair, namely, Briain of Luighni and Magnus and three sons of Aedh, son of Toirrdelbach Ua Conchobuir, that is, Mael-Secnaill and Muirethach and Muircertach and others.)