sentences:  At last Turenne prevailed and had the Imperialists at a disadvantage on the Sasbach, where, in opening the action, he was killed by a cannon-shot (27 July).Devastated by the loss of their commander, the French hastily surrendered all their advantages, and Montecucculi sharply following up their retreat, and drove them over the Rhine and almost to the Vosges.At the same time the Imperial forces under Charles IV, Duke of Lorraine were besieging Trier, which Turenne had taken in the autumn of 1673.