Events

• Conchobar O Domnaill succeeds his father Aéd as King of Tír Conaill
• Earl of Desmond
  Earl of Desmond
  The title of Earl of Desmond has been held historically by lords in Ireland, first as a title outside of the peerage system and later as part of the Peerage of Ireland....
  
   released
• Justicier Darcy campaigns against Ó Bríain and Mac Conmara in Thomond
  Thomond
  Thomond The region of Ireland associated with the name Thomond is County Clare, County Limerick and north County Tipperary; effectively most of north Munster. The name is used by a variety of establishments and organisations located in , or associated with the region...
  
  , Domhnall and Diarmaid Óg Mac Carthaigh in Desmond
  Desmond
  Desmond may refer to:*Desmond , a common given name and surname* Kingdom of Desmond, medieval Irish kingdom* Earl of Desmond, Irish aristocratic title* Desmond Rebellions, Irish rebellions during the 16th century led by the Earl of Desmond...
  
  , Ó Tuathail and Ó Bróin in Leinster
  Leinster
  Leinster is one of the Provinces of Ireland situated in the east of Ireland. It comprises the ancient Kingdoms of Mide, Osraige and Leinster. Following the Norman invasion of Ireland, the historic fifths of Leinster and Mide gradually merged, mainly due to the impact of the Pale, which straddled...
  
  
• O Cellaig at war with O Conchobhair, till 1339
• June 29 Thomas de Burgh acting as deputy justiciar
  Justiciar
  In medieval England and Ireland the Chief Justiciar was roughly equivalent to a modern Prime Minister as the monarch's chief minister. Similar positions existed on the Continent, particularly in Norman Italy. The term is the English form of the medieval Latin justiciarius or justitiarius In...
  
  

Deaths

• King Aed of Tir Conaill dies in the habit of a Cistercian at his monastery of Assaroe.