
Events 840s – Dublin is founded
841 Dublin is founded by Vikings Events 840: Death of Louis the Pious. Vikings from Norway capture Dublin, and establish a Norse kingdom in Ireland. 841: Dublin is founded on the east coast of Ireland by the Vikings. Vikings sail up the River Seine and devastate the city of Rouen in Normandy. 843: The Carolingian Empire is at its height in territory and area.The three sons of Louis the Pious reach an agreement known as the Treaty of Verdun and split the Carolingian empire into three divisions; East Francia was given to Louis the German, West Francia to Charles the Bald and Middle Francia to Lothair I. 844: The first Viking raid in Iberia Viking raiders ascend the River Garonne as far as the city of Toulouse, and pillage the lands of Septimania. Part of the […]