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 opinion would appear to be that it is genuine, or at least has a genuine basis. Various explanations have been suggested. The area of the grant may have been enlarged by later interpolations; or it may have dealt with property rather than with sovereignty, and have only referred to estates claimed by the pope in the territories named; or it is possible that Charles may have actually intended to establish an extensive papal kingdom in Italy, but was released from his promise by Adrian when the pope saw no chance of its fulfilment. Another supposition is that the author of the Liber Pontificalis gives the papal interpretation of a grant that had been expressed by Pippin in ambiguous terms; and this view is supported by the history of the subsequent controversy between king and pope.

Returning to the scene of hostilities, Charles witnessed the capitulation of Pavia in June 774, and the capture of Desiderius, who was sent into a monastery. He now took the title “king of the Lombards,” to which he added the dignity of “Patrician of the Romans,” which had been granted to his father. Adalgis, the son of Desiderius, who was residing at Constantinople, hoped the emperor Leo IV. would assist him in recovering his father’s kingdom; but a coalition formed for this purpose was ineffectual, and a rising led by his ally Rothgaud, duke of Friuli, was easily crushed by Charles in 776. In 777 the king was visited at Paderborn by three Saracen chiefs who implored his aid against Abd-ar-Rahman, the caliph of Cordova, and promised some Spanish cities in return for help. Seizing this opportunity to extend his influence Charles marched into Spain in 778 and took Pampeluna, but meeting with some checks decided to return. As the Frankish forces were defiling through the passes of the Pyrenees they were attacked by the Wascones (probably Basques), and the rearguard of the army was almost annihilated. It was useless to attempt to avenge this disaster, which occurred on the 15th of August 778, for the enemy disappeared as quickly as he came; the incident has passed from the domain of history into that of legend and romance, being associated by tradition with the pass of Roncesvalles. Among the slain was one Hruodland, or Roland, margrave of the Breton march, whose death gave rise to the Chanson de Roland (see ).

Charles now sought to increase his authority in Italy, where Frankish counts were set over various districts, and where Hildebrand, duke of Spoleto, appears to have recognized his overlordship. In 780 he was again in the peninsula, and at Mantua issued an important capitulary which increased the authority of the Lombard bishops, relieved freemen who under stress of famine had sold themselves into servitude, and condemned abuses of the system of vassalage. At the same time commerce was encouraged by the abolition of unauthorized tolls and by an improvement of the coinage; while the sale of arms to hostile peoples, and the trade in Christian slaves were forbidden. Proceeding to Rome, the king appears to have come to some arrangement with Adrian about the donation of 774. At Easter 781, Carloman, his second son by Hildegarde, was renamed Pippin and crowned king of Italy by Pope Adrian, and his youngest son Louis was crowned king of Aquitaine; but no mention was made at the time of his eldest son Charles, who was doubtless intended to be king of the Franks. In 783 the king, having lost his wife Hildegarde, married Fastrada, the daughter of a Frankish count named Radolf; and in the same year his mother Bertha died. The emperor Constantine VI. was at this time exhibiting some interest in Italian affairs, and Adalgis the Lombard was still residing at his court; so Charles sought to avert danger from this quarter by consenting in 781 to a marriage between Constantine and his own daughter Rothrude. In 786 the entreaties of the pope and the hostile attitude of Arichis II., duke of Benevento, a son-in-law of Desiderius, called the king again into Italy. Arichis submitted without a struggle, though the basis of Frankish authority in his duchy was far from secure; but in conjunction with Adalgis he sought aid from Constantinople. His plans were ended by his death in 787, and although the empress Irene, the real ruler of the eastern empire, broke off the projected marriage between her son and Rothrude, she appears to have given very little assistance to Adalgis, whose attack on Italy was easily repulsed. During this visit Charles had presented certain towns to Adrian, but an estrangement soon arose between king and pope over the claim of Charles to confirm the election to the archbishopric of Ravenna, and it was accentuated by Adrian’s objection to the establishment by Charles of Grimoald III. as duke of Benevento, in succession to his father Arichis.

These journeys and campaigns, however, were but interludes in the long and stubborn struggle between Charles and the Saxons, which began in 772 and ended in 804 with the incorporation of Saxony in the Carolingian empire (see ). This contest, in which the king himself took a very active part, brought the Franks into collision with the Wiltzi, a tribe dwelling east of the Elbe, who in 789 was reduced to dependence. A similar sequence of events took place in southern Germany. Tassilo III., duke of the Bavarians, who had on several occasions adopted a line of conduct inconsistent with his allegiance to Charles, was deposed in 788 and his duchy placed under the rule of Gerold, a brother-in-law of Charles, to be governed on the Frankish system (see ). Having thus taken upon himself the control of Bavaria, Charles felt himself responsible for protecting its eastern frontier, which had long been menaced by the Avars, a people inhabiting the region now known as Hungary. He accordingly ravaged their country in 791 at the head of an army containing Saxon, Frisian, Bavarian and Alamannian warriors, which penetrated as far as the Raab; and he spent the following year in Bavaria preparing for a second campaign against them, the conduct of which, however, he was compelled by further trouble in Saxony to entrust to his son king Pippin, and to Eric, margrave of Friuli. These deputies succeeded in 795 and 796 in taking possession of the vast treasures of the Avars, which were distributed by the king with lavish generosity to churches, courtiers and friends. A conspiracy against Charles, which his friend and biographer Einhard alleges was provoked by the cruelties of Queen Fastrada, was suppressed without difficulty in 792, and its leader, the king’s illegitimate son Pippin, was confined in a monastery till his death in 811. Fastrada died in August 794, when Charles took for his fourth wife an Alamannian lady named Liutgarde.

The continuous interest taken by the king in ecclesiastical affairs was shown at the synod of Frankfort, over which he presided in 794. It was on his initiative that this synod condemned the heresy of adoptianism and the worship of images, which had been restored in 787 by the second council of Nicaea; and at the same time that council was declared to have been superfluous. This policy caused a further breach with Pope Adrian; but when Adrian died in December 795, his successor, Leo III., in notifying his elevation to the king, sent him the keys of St Peter’s grave and the banner of the city, and asked Charles to send an envoy to receive his oath of fidelity. There is no doubt that Leo recognized Charles as sovereign of Rome. He was the first pope to date his acts according to the years of the Frankish monarchy, and a mosaic of the time in the Lateran palace represents St Peter bestowing the banners upon Charles as a token of temporal supremacy, while the coinage issued by the pope bears witness to the same idea. Leo soon had occasion to invoke the aid of his protector. In 799, after he had been attacked and maltreated in the streets of Rome during a procession, he escaped to the king at Paderborn, and Charles sent him back to Italy escorted by some of his most trusted servants. Taking the same journey himself shortly afterwards, the king reached Rome in 800 for the purpose (as he declared) of restoring discipline in the church. His authority was undisputed; and after Leo had cleared himself by an oath of certain charges made against him, Charles restored the pope and banished his leading opponents.

The great event of this visit took place on the succeeding Christmas Day, when Charles on rising from prayer in St Peter’s was crowned by Leo and proclaimed emperor and augustus amid the acclamations of the crowd. This act can hardly have been unpremeditated, and some doubt has been cast upon the statement which Einhard attributes to Charles, that he would not