In 886, the Treaty of Alfred and Guthrum was formalised, defining the boundaries of their kingdoms, with provisions for peaceful relations between the English and the Vikings.
Aastal 886 Alfredi ja Guthrumi leping formaliseeriti, määrates kindlaks nende kuningriikide piirid koos klauslitega rahulike suhete kohta inglaste ja viikingite vahel.