Kalends of January
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. AD 863.
Lorcán son of Cathal, king of Mide, was blinded by Aed son of Niall, king of Temair.
Conchobor son of Donnchad, one of two kings of Mide, was put to death in water at Cluain Iraird by Amlaíb, king of the foreigners.
Aed son of Niall and Flann son of Conaing gained a great victory over Ainbíth son of Aed and the Ulaid in the territory of the descendants of Conall the Craftsman.
Muiredach son of Niall, abbot of Lugbad and other churches, dies.
Aedgein the Briton, bishop of Cell Dara, scribe, anchorite and an elder almost 116 years of age, rested.