1101 in Ireland
Events from the year 1101 in Ireland.
Incumbents
Events
- Muirchertach Ua Briain of the Dál gCais proclaims himself High King of Ireland.
- At the Synod of Cashel, Muirchertach Ua Briain grants Cashel to the church as the seat of a metropolitan bishop.
- Muirchertach Ua Briain destroys the ringfort at Grianan of Aileach.
- Sailors from overseas raid Scattery Island.
- Gillafin mac Coulahan, King of Síol Anmchadha, is killed and succeeded by his predecessor's son, Diarmaid Ua Madadhan.