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328 bridle of his horse, out of reverence for St. Peter we performed for him the duty of groom; decreeing that all the pontiffs his successors, and they alone, may use that tiara in processions.

In imitation of our own power, in order that for that cause the supreme pontificate may not deteriorate, but may rather be adorned with power and glory even more than is the dignity of an earthly rule: behold we—giving over to the oft-mentioned most blessed pontiff, our father Sylvester the universal pope, as well our palace, as has been said, as also the city of Rome and all the provinces, districts and cities of Italy or of the western regions; and relinquishing them, by our inviolable gift, to the power and sway of himself or the pontiffs his successors—do decree, by this our godlike charter and imperial constitution, that it shall be (so) arranged; and do concede that they (the palaces, provinces, etc.) shall lawfully remain with the holy Roman church.

Wherefore we have perceived it to be fitting that our empire and the power of our kingdom should be transferred and changed to the regions of the East; and that, in the province of Byzantium, in a most fitting place, a city should be built in our name; and that our empire should there be established. For, where the supremacy of priests and the head of the Christian religion has been established by a heavenly Ruler, it is not just that there an earthly ruler should have jurisdiction.

We decree, moreover, that all these things which, through this our imperial charter and through other godlike commands, we have established and confirmed, shall remain uninjured and unshaken until the end of the world. Wherefore, before the living God, who commanded us to reign, and in the face of his terrible judgment, we conjure, through this our imperial decree, all the emperors our successors, and all our nobles, the satraps also and the most glorious senate, and all the people in the whole world now and in all times previously subject to our rule: that no one of them, in any way, allow himself to oppose or disregard, or in any way seize, these things which, by our