| Date | | | |
| 915 | | St. Mary's Abbey, near Ostmantown, founded by the Danes | |
| 916 | | The Danes defeated by Neill's son, with the greatest slaughter that had ever yet befallen them in Ireland. The same year the Danes ravage Anglesea. | |
| 919 | | Neill IV., king of Ireland, defeated and slain by the Danes, near Dublin. | |
| 937 | | Aulaffe, King of Dublin, defeated in Northumberland by Athelstan. | |
| 944 | | Congelath McMelith, king of Ireland, took and burnt Dublin, but it was retaken the following year by Blacar, the Danish king. | |
| 946 | | Meath ravaged by the Danes of Dublin. | |
| 947 | | The Danes routed by Oongelach, king of Ireland, and again in the ensuing year. | |
| 950 | | The Danes defeated in Meath by the Irish. | |
| 956 | | Congelach defeated and slain by the Danes of Dublin. | |
| 962 | | About this time, Edgar, king of England, is said to have subdued part of Ireland, and particularly the most noble city of Dublin | |