Gruffudd ap Llywelyn won a decisive victory at the ford of Rhyd y Groes near Welshpool, killing Edwin the brother of the powerful Mercian earl Leofric. This was the opening major victory of the king who would briefly unite all of Wales. The killing of Edwin humiliated Mercia and demonstrated that Welsh arms could strike deep into English-held territory. Gruffudd went on to sack Hereford and eventually unite all Wales under one king for the first and only time.
Edwin of Mercia killed
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