Kalends of January fifth feria, tenth of the moon. AD 1075.
Gofraidh son of Amlaíb—or son of Ragnall, king of Áth Cliath, and Cinaed grandson of Cú Bethad, chief of Cenél Binnigh, died.
An army was brought by Tairdelbach and by Leth Moga into Leth Cuinn, and they reached Áth Firdiadh, and the Airgialla inflicted the defeat of Ard Monainn on Muirchertach ua Briain, in which many fell.
Donnchad ua Canannán, king of Cenél Conaill, was killed.
Domnall son of Murchad, king of Áth Cliath, died of a three-nights' sickness.
Domnall ua Caíndelbáin was killed by the Airgialla.