Original sentence: The Battle of Medina de Rioseco was fought during the Peninsular War on 14 July 1808 and resulted in the defeat of the only Spanish army capable of defending Old Castile against the French
Edited sentence: A fresh campaign, conducted by Napoleon himself with the bulk of the Grande Armée, would be needed to redress the tableau.General Joaquín Blake's Army of Galicia, under joint command with General Cuesta, was routed by Marshal Bessières after a badly-coordinated but determined assault on the French corps north of Valladolid.In the event Medina de Rioseco proved to be the solitary French triumph in an invasion of Spain that failed to seize the country's major cities or pacify its provinces, and which met outright disaster at Bailén, forcing French forces—Bessières' victorious corps included—to fly over the Ebro in retreat.The Battle of Medina de Rioseco was fought during the Peninsular War on 14 July 1808 and resulted in the defeat of the only Spanish army capable of threatening the French advance into Old Castile