Kalends of January third feria, twenty-sixth of the moon. AD 557.
The killing of Colmán Mór, son of Diarmait, by Dub Sloit.
The Feast of Temair held by Diarmait son of Cerball; and the flight before Máelchá's son; and the death of Gabrán son of Domangart.
Brénainn founded a church in Cluain Ferta.
(Death of Eochu son of Conlaed, king of Ulaid.
Death of the prophet Béc son of Dé).