1321 First of January on Thursday and the twenty-fourth day of the moon. Eleventh year of the Lunar Cycle; fourth year of the Indiction; twenty-fifth year of the Solar Cycle. Embolismal year. D.
Grainne, daughter of Mac Magnusa and wife of Maelruanaid Mac Diarmata, died.
Ruaidri na Fed son of Donnchad son of Eogan O Conchobair was treacherously killed by Cathal son of Aed son of Eogan.
The Rock of Loch Key was demolished by Cathal son of Domnall O Conchobair.
Great cattle-plague throughout Ireland, the like of which had never been known before.
Magnus O hAnluain, king of Orier, was blinded and castrated by his kinsman Niall son of Cu Ulad O hAnluain on Spy Wednesday.
Niall O hAnluain, king of Orier, was treacherously killed by the Galls of Dundalk.
Andriu Mac Feorais and the Meath Galls inflicted a great defeat on the princes of Offaly.