Unknown, The Annals of Wales — Text A, "Harleian MS" 3859 (c/1100)
“ The B Text includes year entries as far back as the birth of Jesus, includes entries very similar to these, and includes dates in entries after 1097: however, the list of years disagrees with the list of dates and both disagree with the correct dates for known events.5th century 447 ‡ Days as dark as night. [2] ‡ 453 Easter altered on the Lord's Day by Pope Leo, Bishop of Rome. [3] 454 St. Brigid is born. ”
