After the capture of Jerusalem by Saladin, the Christians of the East, in their distress, sent to the West their most eloquent prelate and gravest historian William, Archbishop of Tyre, who, fifteen years before, in the reign of Baldwin iv., had been Chancellor of the kingdom of Jerusalem. He, accompanied by a legate of Pope Gregory VIII., scoured Italy, France, and Germany, recounting everywhere the miseries of the Holy Land, and imploring the aid of all Christian princes and peoples, whatever might be their own position of affairs and their own quarrels in Europe. At a parliament assembled at Gisors, on the 21st of January, 1188, and at a diet convoked at Mayence on the 27th of March following, he so powerfully affected the knighthood of France, England, and Germany, that the three sovereigns of these three states, Philip Augustus, Richard Coeur de Lion, and Frederick Barbarossa, engaged with acclamation in a new crusade. They were princes of very different ages and degrees of merit, but all three distinguished for their personal qualities as well as their puissance. Frederick Barbarossa was sixty-seven, and for the last thirty-six years had been leading, in Germany and Italy, as politician and soldier, a very active and stormy existence. Richard Cceur de Lion was thirty-one, and had but just ascended the throne where he was to shine as the most valiant and adventurous of knights rather than as a king. Philip Augustus, though only twenty-three, had already shown signs, beneath the vivacious sallies of youth, of the reflective and steady ability characteristic of riper age. Of these three sovereigns, the eldest, Frederick Barbarossa,