Events

• Justiciar de Charleton campaigns against the 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...
  
   Irish
• Edmond de Burgh
  Edmond de Burgh
  Sir Edmund de Burgh, Irish knight and ancestor of the Burke family of Clanwilliam, 1298–1338.-Background:De Burgh was the fifth and last surviving son of Richard, Lord of Connaught and Earl of Ulster...
  
  , son of the 3rd Earl of Ulster
  Earl of Ulster
  The title of Earl of Ulster has been created several times in the Peerage of Ireland and Peerage of the United Kingdom. Currently, the title is a subsidiary title of the Duke of Gloucester, and is used as a courtesy title by the Duke's son, Alexander Windsor, Earl of Ulster...
  
  , is drowned in Lough Mask
  Lough Mask
  Lough Mask is a limestone lough of 22,000 acres in County Mayo, Ireland, north of Lough Corrib. Lough Mask is the upper of the two lakes, which empty into the Corrib River, through Galway, into Galway Bay. The lake is visited for its trout fishing...
  
   by his cousions Edmund Albanach de burgh and his brother Raymond "who fastened a stone to his neck ... The destruction of the English of Connaught, and of his own in particular, resulted from this deed." King Toirdhealbhach of Connacht
  Connacht
  Connacht , formerly anglicised as Connaught, is one of the Provinces of Ireland situated in the west of Ireland. In Ancient Ireland, it was one of the fifths ruled by a "king of over-kings" . Following the Norman invasion of Ireland, the ancient kingdoms were shired into a number of counties for...
  
   expels Edmund to western isles of Connacht "after the territories and churches of the west of Connaught had been greatly destroyed between them;" Toirdhelbhach "then assumed the sway of the whole province." Edmund collects a "large fleet of ships and barks ... and he remained for a long time on the islands of the sea."
• Irish attack and expel the Anglo-Irish
  Anglo-Irish
  Anglo-Irish was a term used primarily in the 19th and early 20th centuries to identify a privileged social class in Ireland, whose members were the descendants and successors of the Protestant Ascendancy, mostly belonging to the Church of Ireland, which was the established church of Ireland until...
  
   of Luighne and Corann (County Sligo and retake their hereditary lands
• Matilda, countess of Ulster, offers to surrender lands in Ulster for others in England
• "Teige, son of Rory, son of Cathal O'Conor (who was usually called Bratach Righin), was taken prisoner by Thomas Magauran, and many of his people were killed. Magauran (i.e. Thomas) afterwards went to the house of O'Conor; but, on his return, the Clann-Murtough, and the Muintir-Eolais, assembled to meet him, and took him prisoner, after having slain many of his people."

Deaths

• "Hugh an Chletigh, son of Rory O'Conor, was wounded in the rear of his own army, and died in consequence."
• "Dearbhail, daughter of Cathal Mac Murrough, and wife of Donough, son of Hugh Oge, died."