830–882
Latin
The Annals of Saint-Bertin
Prudentius of Troyes and Hincmar of Reims
The year-by-year record of the West Frankish kingdom kept by two bishops in succession: the division of the empire, the Viking fleets on the Seine and the Loire, the Gottschalk affair, and the embassy of 839 whose members called themselves Rhos and turned out to be Swedes.