Flann Sinna Timeline

Life of Flann Sinna.

Reign of Flann Sinna, High King of Ireland.

Flann Sinna defeated by Sichfrith son of Imair of Dublin at the Battle of the Pilgrim.

Flann Sinna's son Donnchad Donn rebels; Flann slaughters his associates at Kells.

Flann Sinna defeats the armies of Munster at the Battle of Ballaghmoon.

Kingdom of Breifne rebels; Flann Sinna crushes the revolt.

Kingdom of Brega rebels; Flann Sinna crushes the revolt, destroys churches and monasteries in the region of Brega.

Flann Sinna's sons Donnchad Donn and Conchobar rebel; are defeated by Flann's vassal Niall Glundub.

Flann Sinna dies; is succeeded by Niall Glundub as High King of Ireland.