Spring - Sir Richard Bingham, President of Connacht, occupies West Bréifne and the hereditary lord, Brian O'Rourke, flees; later this year the adjacent territory of Monaghan is seized by the crown after the execution at law of the resident lord, Aodh Rua Mac Mathúna.
Hugh Roe MacMahon, The MacMahon, resists the imposition of an English sheriff in County Monaghan; he is charged with treason, for which he will be executed, and his lordship divided.[2][3]