What is 840s?
The '''840s''' started on 1 January 840 and ended on 31 December 849. It is distinct from the decade known as the '''85th ''decade''''' which began on January 1, 841. and ended on December 31, 850.{{decadebox|84}} == Events == * After the death of [[Louis the Pious]], his sons [[Charles the Bald]], [[Louis the German]] and [[Lothair II of Lotharingia]] fight about the division of the empire until the [[treaty of Verdun]] (843). * Viking raid of Western Francia ([[France]]) ([[845]]). * Vikings conquer [[Frisia]], the present [[Netherlands]] and the [[Germany|German]] North Sea coastline. * Beginning of Arab domination on [[Taranto]], which will last until [[880]]. == Important people == * [[Charles the Bald]] * [[Louis the German]] * [[Lothair I]] * [[Kenneth I of Scotland]] * [[Ragnar Lodbrok]] [[Category:840s| ]]