Kalends of January
. AD 775.
Repose of Colmán the Fair, an anchorite.
Death of Gaedel of Cluain Iraird.
Death of Forbasach, abbot of Ráith Aeda.
Death of Collbrann, abbot of Cluain Moccu Nóis.
The taking on tour of the relics of St Erc of Sláine and of the relics of Finnian of Cluain Iraird.
Death of Mael Manach, abbot of Cenn Garad.
A battle between the Dál nAraide themselves on Sliab Mis, in which Nial son of Cú Allaid fell. The battle of Drong again in the same year between the Dál nAraidi, in which Cinaed of Carraic son of Cathasach, and Dúngal grandson of Fergus Forcraidh fell. Tomaltach son of Indrechtach, and Echaid son of Fiachna, were victors.
Cellach son of Dúnchad, king of Laigin, dies.
The battle of Áth Duma between Int Airthir and Uí Echach Coba, in which Gormgal son of Conall Cru, king of Cuib, fell.
Eógan son of Rónchenn, abbot of Les Mór, and Mael Ruba, grandson of Maenach, died.
A destructive battle between the Uí Néill and Mumu, in which the community of Dermag, Tobaeth's sons i.e. Duinechaid and Cathrannach, and some of Domnall's sons were engaged; and many from Munster fell, and the victors were the Uí Néill.
Death-struggle of the Cú's.