A map of England, Wales, and southern Scotland in AD 878 after the Treaty of Chippenham (also known as the Treaty of Wedmore) between King Alfred of the Anglo-Saxons and the Danish King Guthrum, which ended this period of Viking invasion of England. The map is color-coded to show the territories of the native Celts in Wales, Scotland, and the northern portion of Strathclyde, the territories of the English under Alfred in central and southern England, and the territories of the Danes and Norse in the east (Danelaw). The names of the 'Five Boroughs&rlquo; (Derby, Leicester, Lincoln, Stamford, and Nottingham), the main towns under Danelaw, are indicated by underlining.