Kalends of January
. AD 827.
Uatha son of Diarmait, king of Tethba, was killed.
Robartach son of Cathasach, superior of Cluain Mór of Ard, Muirchiu, abbot of Druim Inasclainn, and Clemens, abbot of Linn Duachaill, fell asleep.
A great slaughter of porpoises on the coast of Ard Cianachta by the foreigners; and the violent death of the anchorite Teimnén.
The mortal wounding of Cinaed son of Cumuscach, king of Ard Cianachta, by the foreigners; and Lann Léire and Cluain Mór were burned by them.
A battle-rout was inflicted on the heathens by Lethlobar son of Loingsech, king of Dál Araidi.
Another battle-rout was inflicted on the heathens by Cairpre son of Cathal, king of Uí Cheinnselaig, and by the community of Tech Munnu.
A slaughter of the Delbna in Felle.