East Breifne

East Breifne (Old Irish Muintir-Maelmordha; Irish Breifne Uí Raghallaigh) was an historic kingdom of Ireland roughly corresponding to County Cavan. In 1211 Walter de Lacy erected the castle on Turbet Island in the abortive Anglo-Norman attempt to gain control of the area. This and his capture of Cloughoughter Castle in 1220 severely weakened the ...
Found on http://en.wikipedia.org/wiki/East_Breifne
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