Royal Power Tested
Archived: 26 September 2026
In 1210 King John launched a 63-day expedition to Ireland, asserting authority over Anglo-Norman magnates and seeking alliances with Gaelic rulers. Landing at Waterford, he received Donnchadh Ua Briain and Cathal Crobhdearg Ua Conchobair, then advanced through Dublin, Meath and Ulster. Walter and Hugh de Lacy were dispossessed; Carrickfergus fell to royal forces, while Man suffered punitive attack. John expanded administration, installed John de Grey, promoted castles and a bridge at Athlone, and supported royal coinage. Yet hostage-taking damaged relations with Connacht, Gaelic submissions remained conditional, and regional conflicts continued. The campaign strengthened royal control but left divided politics unresolved.