J. H. Middleton, Illuminated manuscripts in classical and mediaeval times…
“ Danish invasions.The ninth century in England was one of great turmoil and misery, on account of the fearful havoc wrought by the Danish Northmen throughout the whole length and breadth of the land. In Northumbria the thriving literary and artistic school which had been raised to such preeminence by Baeda was utterly blotted out from existence by the invading Danes; and when at last King Alfred, who reigned from 871 to 901, secured an interval of peace he was obliged to seek instructors in the art of manuscript illumination from the Frankish kings. ”
