Kalends of January
. AD 801.
Muiredach son of Domnall, king of Mide, dies.
A hosting by Aed against Mide, and he divided Mide between two sons of Donnchad, i.e. Conchobor and Ailill.
Ailill son of Cormac, abbot of Sláine, a learned man and an excellent judge, died.
Fergal son of Anmchad, king of Osraige, dies.
Mac Oige of Aporcrosan, abbot of Bennchor, Muiredach son of Óchobor, abbot of Cluain Ferta Brénainn, Coscrach grandson of Fraech, abbot of Lugmad, Clemens of Tír dá Glasall ended their lives happily and in peace.
Artrí son of Ailill, king of Mugdorna Maigen, dies.
Euginis daughter of Donnchad, queen of the king of Temair, dies.
Destruction of the fortress of Loch Riach by Muirgius.
Í Coluim Chille was burned by the heathens.