1290 First of January on Sunday and the thirteenth day of the moon, A.D. MCCXC. Twenty-second year of the Solar Cycle; eighteenth year of the Lunar Cycle; third year of the Infliction. Common year. A.
Cairpre O Mailsechlainn, king of Meath, was treacherously killed by Mac Cochlain and the Delbna.
Congalach Mag Eochacain, chieftain of the race of Fiachu son of Niall of the Nine Hostages, died.
William Mac Feorais assumed the archbishopric of Tuaim.
O Setachain, Bishop of Kilmacduagh, rested.
Domnall son of Brian O Neill led an army into Cenel Eogain, forcibly ejected Niall O Neill and assumed the kingship himself by the might of his hand.
Aed O Domnaill was deposed by his own brother Toirrdelbach, who assumed the kingship himself through the power of his mother's kin, the Clann Domnaill, and of many other Gallowglasses.