Kalends of January sixth feria, tenth of the moon. AD 599.
Repose of St Cainnech, and the battle of the Saxons in which Aedán was vanquished.
The slaying of Suibne son of Colmán Mór son of Diarmait Derg son of Fergus Cerrbél son of Conall of Cremthann son of Niall Naígiallach by Aed Sláine in Brí Dam in the Suaine, i.e. a stream.