POLYCHROME ENAMELLED GLASS MOSQUE LAMP OF THE XIIITH CENTURY
Very few examples of this highly advanced art survive. They represent an extremely aristocratic manifestation of art and were executed by order of Mameluke Caliphs of Egypt, and dedicated by them to their great Mosques, individually inscribed in magnificent calligraphy.
intolerance.[3] History does not record the practice of compulsory conversion in the scheme of conquest of early converts. "It is often supposed," says Professor Browne, "that the choice offered by the warriors of Islam was between the Qur'an and the Sword; this, however, is not the fact." There are innumerable evidences to the contrary which history records.[4] It appears that the exemplary behavior of the Arabs, under their newly acquired faith, was the main factor not only in the success of their scheme of conquest, but also in the impression which it made on the defeated in determining them to adopt the faith which produced such upright warriors.
The tremendous political upheaval that the evolution of Islam brought in its train to the affairs of the world does not fall within the scope of this paper. A highly important fact, however, must not be lost sight of, that by consolidating and unifying the tottering states a new civilization was founded which knew how to turn to account the culture of the ancient states conquered. In this overwhelming transformation Persia came in, from the outset, to play the most conspicuous and important part. The