Kalends of January
[...]
. AD 966 alias 967.
Dub son of Mael Coluim, king of Scotland, was killed by the Scots themselves.
Tigernach son of Ruarc, king of Carraic Brachaide, dies.
The battle of Formaíl was won by the Cenél Eógain over the Cenél Conaill, and Mael Ísu ua Canannáin, king of Cenél Conaill, and Muirchertach grandson of Tadc, heir designate of Connacht, and many others fell there.
Aed ua hAitid, king of Uí Echach, was killed by his own people.
Mathgamain son of Cennáitig, king of Caisel, plundered and burned Luimnech.
Cerball son of Lorcán, heir designate of Laigin, was killed by Domnall, king of Brega.