| Date | | | |
| 860 | | The Danes of Dublin defeated by Maolseaghlin, at the battle of Dromdamaigh. | |
| 863 | | Clondalkin, the favourite residence of Aulaffe, burned by the Irish, and 100 of the principal Danes slain. | |
| 869 | | Armagh plundered and burnt by Aulaffe and the Danes of Dublin. | |
| 870 | | Ivar, styled king of the Normans of all Ireland, defeats and kills Aidell, King of Leinster. | |
| 872 | | Ostin McAulaffe succeeds his brother Ivar, and makes a successful expedition into North Britain against the Picts, but is killed by his own subjects on his return. | |
| 879 | | Aulaffe and his son Ivar sail to England with 200 , to aid their countrymen, Hinguar and Hubba, and return to Dublin next year laden with booty. Aulaffe soon after died. | |
| 883 | | The Danes of Dublin plunder the churches of Kildare and Naas. | |
| 883 | | Flan McMelaghlin, king of Ireland, defeated by the Danes of Dublin. | |
| 890 | | Armagh again plundered and burnt by the Danes of Dublin. Dublin city taken by Gregory, king of Scotland. | |
| 897 | | Ireland visited with a plague of strange worms, having two teeth, which devoured every thing green in the land; supposed to have been locusts. | |