1277 First of January on Friday and the twentieth day of the moon, A.D. MCCLXXVII. Fifth year of the Lunar Cycle; ninth year of the Solar Cycle; fifth year of the Indiction. Common year. C.
Brian Ruad O Briain was treacherously captured by the Earl of Clare's son, after they had made gossipry and mixed their blood in one vessel and bound themselves to each other upon the relics of Munster and bells and croziers. The Earl's son had him drawn between horses afterwards.
Gilla Crist O Birn, an officer of Aed O Conchobair, was killed [...]... (?) by Gilla Ruad son of Lochlainn O Conchobair.
Roscommon castle was pulled down by Fedlim's son and Domnall O Domnaill and the Connachta.
Broen O Mailmocheirge, Abbot of Kells, rested in Christ.
The Tellach Echach made a great raid on the Cenel Luachain in Glenn da Duile, killing Conchobar Mag Dorchaid and many others.