Kalends of January fourth feria, twenty-sixth of the moon. AD 519.
Conlaedh, bishop of Cell Dara, died.
The battle of Detnae in Dromma Breg in which fell Ardgal son of Conall son of Niall. Colgu Moo Cluethi, king of Airthir, and Muirchertach Mac Erca were the victors.
Comgall of Bennchor was born according to some.