June 2, 1567
Shane O’Neill, powerful and ambitious Ulster chieftain, is murdered by the MacDonnells after seeking refuge with them at Cushendun. His fall marks a pivotal moment in the Tudor conquest of Ireland. - He had previously opposed English authority and rival Gaelic lords. - His death ends a turbulent chapter of resistance in Ulster. - He is succeeded by his kinsman Turlough Luineach O’Neill.