About “The Prophecy of Berchán”
The Prophecy of Berchán is a relatively long historical poem written in the Middle Irish language, made in the Early Middle Ages. The text is preserved in the Royal Irish Academy as MS 679 (23/G/4), along with a few early modern copies. (Summary adapted from Wikipedia, CC BY-SA 4.0.)
Some summaries adapted from Wikipedia, CC BY-SA 4.0.