Heliopolis (ancient Egypt) from him the true length of the year and month, upon which he formed his octaeterid, or period of 8 years or 99 months. Ptolemy II had Manetho, the chief priest of Heliopolis, collect his history of the ancient kings of Egypt from its archives. The later Ptolemies probably took little interest in their "father" Ra, and Alexandria had eclipsed the learning of Heliopolis; thus with the withdrawal of royal favour Heliopolis quickly dwindled, and the students of native lore deserted it for other temples supported by a wealthy population of pious citizens. By the 1st century BC, in fact,
Ancient clans of Lanka native rulers of Sri Lanka. Ravana the mythical king of Lanka kingdom is considered the most famous and most powerful native king who ever reigned in Sri Lanka. The native rulers of Sri Lanka were later supplanted by the Indian rulers who came from Kalinga and South India. Ancient clans of Lanka Several different indigenous clans lived in the island of Sri Lanka during the pre-Vijaya era (before 505 BCE). These clans of Sri Lanka and the mystical kingdom of Lanka were mentioned in the great epics of Mahabaratha, Mahavamsa, Manimekalai, Ramayana and Sangam. It is believed that four main