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In 1090 Muirchertach O Briain, grandson of Brian Boru, faced the darkest moment of his rule as King of Munster. Defeated and vanquished by his rival the king of Ulster, Domnal McLochlainn, he faced two options; either accept his fate or try and claw his way back to power.
(1090-1101) The Great War of Ulster and Munster (Part I)
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