Kalends of January
. AD 717.
Cuthwine's son, king of the Saxons, dies.
Béc of Bairche dies.
The battle of Cenannas, in which fell Tuathal grandson of Faelchú and Cellach Diathraibh and Gormgal son of Aed son of Dlúthach and Amalgaid grandson of Conaing and his brother Fergal. Conall Grant was victor, and this Conall Grant, grandson of Cernach, was killed two months after the battle by Fergal, son of Mael Dúin.
Crónán grandson of Eóán, abbot of Les Mór, dies.
Fiannamail grandson of Bógaine son of Finn, superior of Inis Maige Sam, and bishop Dub Dúin grandson of Faelán, abbot of Cluain Iraird, died.
Conrí, son of Congal Cennfhata, and Ailill son of Fínnechta, were killed.
A shower of honey rained upon Othan Bec, a shower of blood upon the foss of Laigin. Hence Niall Frosach who was born at that time, is so named.
An eclipse of the moon at its full.