When did the Mercian supremacy end?
626–655) and Wulfhere (658–675) – the end of the era is generally agreed to be around 825, following the defeat of King Beornwulf at the Battle of Ellandun (near present-day Swindon). What is Mercia called now? Mercia was one of the Anglo-Saxon kingdoms of the Heptarchy. It was in the region now known as the…