Tiny is known of the 1st 20 years of Ecgberht's reign, however it is assumed that he was capable to maintain the independence of Wessex versus the kingdom of Mercia, which At the moment dominated the other southern English kingdoms. In 825, Ecgberht defeated Beornwulf of Mercia, finished Mercia's supremacy https://kevinc470obn8.wikigdia.com/user