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Centuries:	11th 12th 13th 14th
Decades:	1100s 1110s 1120s
See also:	Other events of 1105 List of years in Ireland

Events from the year1105 in Ireland.

• High King of Ireland:Domnall Ua Lochlainn

• Cellach Ua Sinaig inherits the position ofAbbot of Armagh (the seventh in a series of members of the Ua Sinaig family, who had held the position without taking holy orders, and several of whom had been married).^[1]

• Muirgheas Ua Cú Ceannainn, King ofUí Díarmata.

• 1100s in Ireland
• Years of the 12th century in Ireland
• 1105 in Europe
• 1105 by country

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