WHAT DOES SLOT SITE RECOMMENDATION MEAN?

Little is thought of the very first 20 years of Ecgberht's reign, but it really is thought that he was in a position to keep up the independence of Wessex towards the kingdom of Mercia, which at that time dominated the other southern English kingdoms. In 825, Ecgberht defeated Beornwulf of Mercia, finished Mercia's supremacy with the Battle of Ella