The Pisan fleet of three hundred sail, commanded by the archbishop Pietro Moriconi, attacked the Balearic Isles, where as many as 20,000 Christians were said to be held captive by the Moslems, and returned loaded with spoil and with a multitude of Christian and Moslem prisoners.
The corsair retaliated by leading what remained of his navy on a plundering raid to the Balearic Islands.
In 799 the Balearic Islands had been handed over to Charles, and a long warfare was carried on both by sea and land between Frank and Saracen until 810, when peace was made between the emperor and El-Hakem, the emir of Cordova.
The strata which form the Balearic Isles fall naturally into two divisions.
Of the origin of the early inhabitants of the Balearic Islands nothing is certainly known, though Greek and Roman writers refer to the Boeotian and Rhodian settlements.
