A massacre of Rodolb's followers by Cerball son of Dúnlang at Sliab Mairge, and they were all killed except for a few of them who escaped in the woods. They had plundered Lethglenn, and they had its hostages after killing a great number of the community of Lethglenn.
857 Kl. Matudán son of Muiredach, king of Ulaid, died in orders.
857 Móengal, abbot of Fobar, died.
857 Three men were burned by lighting at Tailtiu.
858 Kl. Cináed son of Alpín, king of the Picts, died. It was of him that the quatrain was said:
- Because Cináed with many troops lives no longer
there is weeping in every house;
there is no king of his worth under heaven
as far as the borders of Rome.
858 Cumsud, bishop and abbot of Cluain Iraird, rested.
858 Tipraite Bán, abbot of Tír dá Glas, rested.
858 Máel Tuili, abbot of Imlech, died.
858 Adulph, king of the Saxons, died.
858 Cellach son of Guaire, king of Laigin Desgabair, died.
858 Cernach son of Cináed, king of Uí Bairrche Tíre, died.
862 Áed son of Niall and his son-in-law Amlaib (Áed's daughter was Amlaib's wife) went with great armies of Irish and Norwegians to the plain of Mide, and they plundered it and killed many freemen.
862 Máel Sechlainn son of Máel Ruanaid, king of Ireland, died the day before the Kalends of December, whereof a certain man sang:
- There is much sorrow everywhere;
there is a great misfortune among the Irish.
Red wine has been spilled down the valley;
the only King of Ireland has been slain.
862 Áed son of Niall, mortal enemy of Máel Sechlainn, took the kingship of Ireland after Máel Sechlainn. Áed's nature was pious and noble. He held the kingship peacefully and firmly for seventeen years, although he often encountered difficulty.
859 Ailill Banbain, abbot of Birra, died.
860 Óengus, learned man of Cluain Ferta MoLua, died.
862 Máelodor úa Tindrid, wise scholar of Ireland, died.
862 Muirgius, anchorite of Ard Macha, rested.
862 Dálach, abbot of Cluain Moccu Nóis, rested.
861 Gormlaith, daughter of Donnchad, queen of Temair, died in penitence.