858 - Vikings plundered in France

Claus Deleuran: Bjorn Ironside vs Charle the bald
Bjorn Ironside, set fire to Chartres Cathedral. Charles the Bald gave Danegeld to save Verberie 
Bjorn Ironside (Berno), leader of the vikings swore an oath to be loyal to Charles the bald and he promised to serve him.

Bjorn Ironside`s promise did not effect the viking army at Jeufosse. The viking army continued to pillage and plunder.