Kalends of January
. AD 787.
Death of Mael Dúin son of Aed Allán, king of In Fochla.
Death of Cernach son of Cathal.
Death of Échtgal son of Baeth, abbot of Muicert.
The moon became red like blood on the twelfth of the Kalends of March.
Mac Óc, abbot of Saiger, dies.
Colum son of Faelgus, bishop of Lothra, dies.
Death of Guaire son of Dúngalach, king of Uí Briúin Chualann.
Bishop Dub dá Tuath, abbot of Ráith Aeda, rested.
Ciarán's law in force in Connacht.
The burning of Daire Calgaid.