Kingdom of Desmond
…It was founded in 1118 by Tadhg Mac Cárthaigh, King of Munster, when the Treaty of Glanmire formally divided the Kingdom of Munster into Desmond and Thomond (Tuadh-Mhumhain, "North Munster"). It comprised all of what is now County Cork and most of County Kerry. Desmond was ruled by the Mac Cárthaigh (MacCarthy…