First Normans Land in Ireland

Dermot MacMurrough, King of Leinster and ally of Muirchertach Mac Lochlainn, is defeated in battle by Rory O'Connor

Strongbow, a henchman of Henry II, arrives in Waterford at the behest of Dermot McMurrough

In 1169 there occurred one of the most important events in the history of Ireland - the Norman invasion. Ireland in the century prior to the Anglo-Norman invasion of 1169 is probably best described as a national kingdom lacking a settled monarchy