On November 24, 885, the Vikings led by Sigfred launched one of their boldest attacks on the heart of the Frankish Empire, the Siege of Paris. Expecting little resistance, the Norse forces demanded ...

For 150 years, Viking fleets tore through the rivers of West Frankia, sacking cities, besieging Paris, and helping shatter Charlemagne’s empire from within. This is the story of how the chaos produced ...