The petty and ineffectual strife of the Three Kingdoms, Northumbria, Mercia, and Wessex, presents few features of human interest, while we are without the means of explaining the sudden revolutions which raise and depress their power, or their final subsidence into isolation and inaction. It is only when we view it from within that we see the importance of the time. It was, in fact, an age of revolution – an age in which mighty changes were passing over every phase of the life of Englishmen; an age in which heathendom was passing into Christianity, the tribal king into the national ruler, the ætheling into the thegn; an age in which custom began to harden into written law..." - John Richard GreenContents: The England of Ecgberht. The Coming of the Vikings, 829-858. The Making of the Danelaw, 858-878. Ælfred, 878-901. The House of Ælfred, 901-937. Wessex and the Danelaw, 937-955. The Great Ealdormen, 955-988. The Danish Conquest, 988-1016. The Reign of Cnut, 1016-1035. The House of Godwine, 1035-1053. The Norman Conquest, 1053-1071.