Kalends of January. AD 790.
Cernach son of Muiredach; Frecmarc, bishop of Lusca; Cú Dínaisc son of Cú Fásaig, abbot of Ard Macha; Donngal son of Buachaill, king of Int Airthir; Artgal son of Cathal, king of Connacht, in Í; Saerberg, abbot of Cluain Moccu Nóis; Caínchomrac, bishop of Finnglas; Sirne, abbot of Bennchor; Muiredach son of Aengus, abbot of Luscaall died.
Bachaill son of Tuathal dies.
Amalgaid, king of Uí Maini, dies.
The battle of Ard Ablae in which Diarmait son of Béc, king of Tethba, fell, and Fergus son of Ailgal was victor.
A battleoverthrow was inflicted in Tailtiu Ducairn Meic Cairthinn (?) by Donnchad on Aed Ingor, in which Cathall son of Echaid, king of Uí Chremthainn, and Mael Fothartaig son of Artri, and Domnall son of Colgu fell.
The anchorite Dínertach son of Mogadach rested.