The exertions and exhortations of the pope did not succeed in arming Europe against the Saracens; contemporary chronicles say that Nicholas was not able to endure this indifference of the Christians, and that he died in despair. After his death, the conclave could not agree in the nomination of a head of the Church, and the Holy See remained vacant during twenty-seven months. In this long interval, the pulpits which had resounded with the complaints of the faithful of the East, remained mute, and Europe forgot the last calamities of the Holy Land. In the East, the affairs of the Christians took a not more favourable turn. The discord that had arisen between the princes of the family of Hayton desolated Armenia, and gave it up to the invasion of the barbarians. The kingdom of Cyprus, the last asylum of the Franks established in Asia, only owed a transitory security to the sanguinary divisions of the Mamelukes of Egypt, and appeared to be fully engaged by its own dangers. But whilst Christendom gave up all thoughts of the deliverance of Jerusalem, the Tartars of Persia, to whom the pope had sent missionaries, all at once revived the hopes of the Christians, by forming a project for wresting Syria and Palestine from the hands of the Mussulmans; an enterprize which only wanted to be a crusade, to have been proclaimed by the head of the Church. The Tartars, for a long time, threatened the Mussulman powers, whom the Christians regarded as their most cruel enemies. Argun, when he died, was busied in preparations for a formidable war. These preparations had spread such serious alarm among his enemies, that the disciples of Mahomet considered his death as one of the number of miracles operated in favour of Islamism. Among the successors of Argun, who were by turns the enemies and the friends of the Mussulmans, there was one able leader, who was warlike, and more animated by the thirst for conquests than the others. The Greek historian Pachymerus, and the Armenian Hayton, lavish the highest praises upon the bravery, the virtue, and even the piety of Cazan. This Mogul prince considered the Christians as his most faithful allies; and in his armies, in which the Georgians served, the standard of the cross floated by the side of the imperial standard. The conquest of the banks of the Nile and the Jordan engaged all his thoughts. When new cities were built in his states, he took a delight in bestowing upon them the names of Aleppo, Damascus, Alexandria, and of several other places in Egypt and Syria.