Kalends of January
. AD 833.
Aengus son of Fergus, king of Foirtriu, dies.
Eógan of Mainister, abbot of Ard Macha and Cluain Iraird, and Affraic, abbess of Cell Dara, fell asleep.
Cellach son of Bran, king of Laigin, and Cinaed son of Conaing, king of Tethba, died.
- (A sorrowful tale overcomes my heart,
tear(s) of blood,
Cinaed of Corann has been slain,
The son of Conaing, the head of Bruig.)
Suibne son of Artrí, king of all Mugdorna, was killed by his kinsmen.
Conchobor son of Ailill was killed by his kinsmen.
Congalach son of Aengus, king of Cenél Laegaire, dies.
Tuathchar, bishop and scribe of Cell Dara, died.
Dúnadach son of Scannlán, king of Uí Fhidgeinte, won a battle against the heathens, in which many fell.
Glenn dá Locha was plundered by the heathens. Sláine and Finnubair Abae were plundered by the heathens.
Nearly half of Cluain Moccu Nóis was burned.
Brócán son of Céndercán, was mortally wounded in Aidne.