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,
Valley of the Thracian Rulers stone block. The chamber’s entrance was equipped with a two-wing stone door, lacunared from the inside. A stone bed was built against the entrance and perpendicular to it. The tomb was raided in ancient times. A horse was buried in the first chamber while its bones were disarranged during the raids. Individual archaeological materials, which were found there – golden, bronze and iron objects – date the funeral back to the middle or the second half of the 4th century BC. The mound is situated 4 km to the west of the town of Shipka. A non-raided Thracian tomb was