Ptolemaic cult of Alexander the Great the priestly title was rarely mentioned in the papyri, as the loss of its eponymous character rendered it irrelevant for dating purposes. Ptolemaic cult of Alexander the Great The Ptolemaic cult of Alexander the Great was an imperial cult in ancient Egypt in the Hellenistic period (323–31 BC), promoted by the Ptolemaic dynasty. The core of the cult was the worship of the deified conqueror-king Alexander the Great, which eventually formed the basis for the ruler cult of the Ptolemies themselves. The head priest of the cult was the chief priest in the Ptolemaic Kingdom, and years were dated after
Library of Alexandria cultural imperialism". These rulers therefore had a vested interest to collect and compile information from both the Greeks and from the far more ancient kingdoms of the Near East. Libraries enhanced a city's prestige, attracted scholars, and provided practical assistance in matters of ruling and governing the kingdom. Eventually, for these reasons, every major Hellenistic urban center would have a royal library. The Library of Alexandria, however, was unprecedented due to the scope and scale of the Ptolemies' ambitions; unlike their predecessors and contemporaries, the Ptolemies wanted to produce a repository of all knowledge. The Library was one of the