Kalends of January
. AD 788.
Death of Murgal, abbot of Cluain Moccu Nóis.
Fiachna son of Aed Rón, king of Ulaid, dies.
Fedach, son of Cormac, abbot of Lugmad and Sláine and Dam Liac, and Slóigedach king of Conaille, died.
Gormgal son of Éladach, king of Cnodba, died in clerical life.
Fer Fugaill, bishop of Cluain Dolcáin, died.
The burning of Cluain Iraird on Easter night 18-19 April.
A great snowfall on the third of the Kalends of May 29 April.
A quarrel in Ard Macha, in which a man was killed in front of the stone oratory.
A battle between the Ulaid themselves in which Tomaltach son of Cathal fell. Echaid was victor.
The slaughter at Cluain Ferta Mongáin by Aengus son of Mugrón, in which Aed son of Tomaltach fell, and the oratory was burned.
A battle between the Picts, in which Conall son of Tadc was defeated and escaped; and Constantín was victor.
The battle of Clóitech between Cenél Eógain and Cenél Conaill in which Cenél Conaill were overthrown, and Domnall escapedi.e. the battle of Clóitech won by Aed Oirdnide.
The burning of Inis Caín Dega.
Fergil, abbot of Achad Bó, dies.
A battle between the Laigin Desgabair in which Aengus son of Murchad fell.
A battle i.e. of Druim Góise between the Connachta, in which Fogartach son of Cathal was defeated and escaped. A slaughter of the Luigne by the Uí Ailella in Achad Abla.
Dishonouring of the staff of Jesus and relics of Patrick by Donnchad son of Domnall at Ráith Airthir at an assembly.