It's the earliest known stone circle at Nabta Playa in Egypt's Western Desert is thought to act as a calendar with markers corresponding to the stars in Orion's belt. It was constructed around 7000 BC. Man was made intelligent
"Together the 3 Pyramids of Giza demonstrate the concept of sacred alignment, as they form a precise three dimensional map of the stars in the belt of Orion." Ancient Wisdom – Sacred Alignment and the Constellation of Orion
The people of Egypt called their country Kemet not Egypt. Kemet means black land. Egypt is derived from the Greek word Aegyptos. The greeks called the kemetians language hieroglyphs, but the people of Kemet called their language Medu Neter.