Carolingian Empire after the Treaty of Meerssen 870

The Treaty of Meerssen or Mersen was a partition treaty of the Carolingian Empire concluded on 8 August 870 by the two surviving sons of Emperor Louis the Pious, King Charles the Bald of West Francia and Louis the German of East Francia, at Meerssen north of Maastricht, in the present-day Netherlands.
Source: Atlas to Freemans Historical Geography, Edited by J.B. Bury, Longmans Green and Co. Third Edition 1903

Por Mapas Owje