When the Viking Great Army swept through England between 865 and 878 CE, the course of English history was forever changed. The people of the British Isles had become accustomed to raids for silver and prisoners, but 865 CE saw a fundamental shift as the Norsemen stayed through winter and became immersed in the heart of the nation. The Viking army was here to stay. This critical period for English history led to revolutionary changes in the fabric...