The First World War brought down on Lebanon a whole series of disasters; first of all there was the blockade imposed by the Ottoman authorities, which reduced the population by a third, due to famine, the plague and an invasion of locusts. ###>La Première Guerre mondiale amène au Mont-Liban son cortège de malheurs: le blocus, instauré par les autorités ottomanes, réduit la population de son tiers, entraînant famine, peste et invasion de sauterelles.