848 - Bordeaux was plundered

Denmark
Internal opposition and turmoil convinced Horik to seek peace and secure the border.
France 
The Franks split into 3 kingdoms. In the Summer  Bordeaux was plundered by Viking raiders. King Charles the Bald sent a Frankish fleet to end the siege. Despite they destroyed Viking ships on the River Dordogne they fail to save the town. The Abbey of Saint-Pierre in Brantôme was looted.

Germany
Louis the German, ruler of East France was seeking peace, Ansgar acted as a middleman when the 2 kings negotiated and he won the respect of king Horik and king Louis the German.




Orkney According to the Orkneyinga saga Rognvald  "The Wise" Eysteinsson was the first viking who ruled Orkney.

Ireland
The arrival of a fleet with large number of Scandinavian warriors, these were different from the first raiders, that the historians named them "dark heathens of black foreigners, they were probably Danish, they overwhelmed the Finngall "fair foreigners" who came from SW Norway and attacked their base at Dublin, and they plundered and killed many men
According to Irish sources Thorir was the heir of a king of "Viking Scotland" who took an army to Ireland in 848 and founded a at camp at Cork.
Máel Sechnaill mac Maíl Ruanaid, High King of Mide, defeated a  Viking army at Sciath Nechtain.