Kalends of January
. AD 805.
In which a great pestilence broke out in the island of Ireland.
Gormgal son of Dindathach, abbot of Ard Macha and Cluain Eóis, died.
The learned Congal son of Maenach, abbot of Sláine, fell asleep as a celibate.
Fínnechta son of Cellach, assumed his kingship again.
Patrick's law promulgated by Aed son of Niall.
A great crop of mast.
Loithech, teacher of Bennchor, rested.
The community of Í, to the number of sixty-eight, was killed by the heathens.
Connmach, judge of the Uí Briúin, dies.
Flaithnia son of Cinaed, king of Uí Fhailgi, was killed in Ráith Imgáin.
Tír da Glas is burned.