Kalends of January
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. AD 842.
Death of Mael Ruanaid son of Donnchad, i.e. king of Mide and father of Mael Sechnaill.
Death of Cathal son of Conchobor.
Artacán son of Domnall was deceitfully killed by Ruarc son of Bran.
Cinaed son of Cú Raí, king of Cenél Laegaire, was killed by the Delbna.
Cumsud son of Dereir, and Maenach son of Sothchadach, two bishops and anchorites, died on the same night in Dísert Diarmata.
Fergus son of Fothaid, king of Connacht, dies.
Donnacán son of Mael Tuile, scribe and anchorite, rested in Italy.
Suibne son of Forannán, abbot of Imlech Fia, dies.
Colgu son of Fedach, an anchorite, rested.