When the vikings first showed up in britain right what do we call them ethel dan well if ethel dan is eight in seven eighty nine by the time the anglo-sax and chronicle starts mentioning heathen men again he's in his early fifties should he live that long. The very next year according to the chronicle a group of unnamed Vikings but then they named them dains later has a pretty good sense of the political feel for britain because they apparently land near modern day or in modern day whales. When you take a look at the satellite view of the island of sheppy today and it might be subtly different but this is a 30