Owain Gwynedd (ōˈwĪn gwĭnˈĕħ) [key], d. 1170, prince of North Wales (1137–70). During the troubled reign of King Stephen of England, Owain and other Welsh princes were able to reoccupy much territory earlier wrested from them by the Anglo-Normans. Henry II of England invaded North Wales in 1157 and, though his expedition was a military failure, compelled Owain to do homage. In 1165, however, Owain inspired a general Welsh revolt, and the English army that attempted to quell it was forced to turn back because of bad weather and short supplies. Owain continued to expand his possessions and enjoyed independence until his death.
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