The death of Marcian, who reigned seven years. [AU 456].
Leo reigned, and the head of John the Baptist was discovered.
Kl. The twenty-sixth of the moon. Easter on the eighth of the Kalends of May [April 24].
Kl. Destruction of the Laigin. [AU 452, 453].
Here some place the birth of Saint Brigit [AU 452, 456].
Kl. The Festival of Temuir [celebrated] by Laegaire, son of Niall. [AU 454].
Kl. Victorius composed the Paschal cycle.
Kl. Death of Énna, son of Cathub. [AU 456].
Kl. The battle of Áth Dara [gained] against Laegaire by the Laigin. [AU 458, 459, 467].
Kl. Auxilius fell asleep. [AU 459].
Kl. The repose of Pope Leo, and the ordination of bishop Hilary. [AU 460, 461].