May 10, 1318
Richard de Clare, while defending his protégé Mahon O'Brien, is defeated and killed by Murrough O'Brien at Dysert O'Dea
Ireland
Richard de Clare, while defending his protégé Mahon O’Brien, is defeated and killed by Murrough O’Brien at Dysert O’Dea. This May 10, 1318 entry records a moment in Celtic history connected with Ireland.