Frankish shore defenses repel raid at Seine estuaryJan 1, 820Labels: Seine Estuary, Frankish DefensesViking noWHE
Treaty of Verdun fragments Carolingian political unityAug 1, 843Labels: Treaty of, Carolingian EmpireBritannica
Vikings besiege Paris; Charles the Bald pays tributeMar 29, 845Labels: Paris, Charles theSiegeParis845Reginheri
Assembly at Pîtres begins fortified Seine barrier projectJun 1, 862Labels: Assembly at, Pont-de-l ArcheVikingArchaeology
Charles the Bald grants Baldwin a frontier march in FlandersJan 1, 864Labels: Baldwin I, FlandersBritannica
Edict of Pîtres mandates mobile cavalry and fortified bridgesJun 25, 864Labels: Edict of, Carolingian ReformEdictP tresJMedHist
Fortified bridgehead at Pont-de-l’Arche develops on the SeineJan 1, 870Labels: Pont-de-l Arche, Seine ValleyStructuraeJMedHist
Siege of Paris ends after imperial payoff and diversionOct 1, 886Labels: Charles the, Siege ResolutionBritannica