September – Confederate Wars: "Cessation" (i.e. ceasefire) arranged by Ormond places the greater part of Ireland into the hands of the Catholic Confederation.
An Calbhach mac Aedh Ó Conchobhair Donn, The Ó Conchubhair Donn, Chief of the Name of the Clan Ó Conchubhair, is popularly inaugurated as King.
^Bagwell, Richard. "O'Brien, Murrough (1614–1674)". Dictionary of National Biography. Vol. XVI. London: Smith, Elder. p. 321. Cites Castlehaven's Memoirs, p. 40.
^Smith, Charles (1815). The Ancient and Present State of the County and City of Cork. Vol. III. pp. 146–8.
^"Battles of the Eleven Years War". Inchiquin. Retrieved 10 July 2012.