952 - St. Mullins monastery was plundered

Ireland
St. Mullins monastery was plundered by a fleet under the command of a viking named Lairic

Wales
A Welsh chronicle Brut y Tywysogion tells us that Hirmawr and Anarawd ap Gwriad (possibly the sons of King Now ap Gwriad of Glamorgan) died at the hands of the pagan Viking raiders.In the period 952 to 1000 AD Annual Viking raids upon the Welsh coast were frequent.