Kalends of January
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. AD 864.
A solar eclipse on the Kalends 1st of January, and a lunar eclipse in the same month.
Cellach son of Ailill, abbot of Cell Dara and Í, fell asleep in the country of the Picts.
Tigernach son of Fócarta, king of Loch Gabor and one of two kings of Brega, died.
The Britons were driven from their land by the Saxons and were placed in bondage in Móin Chonáin.
Tadc son of Diarmait, king of the Uí Cheinnselaig, was killed by his own kinsmen and his people.
Conmal, steward of Tamlacht, and Tuathal son of Artgus, chief bishop of Foirtriu and abbot of Dún Caillen, fell asleep.