Serapeum of Saqqara (664–610 BC) of the Twenty-sixth Dynasty and later used by the Ptolemaic dynasty. The long boulevard leading to the ceremonial site, flanked by 600 sphinxes, likely was built under Nectanebo I, (379/8–361/0 BC) the founder of the thirtieth dynasty (the last native one). The temple was discovered by Auguste Mariette, who had gone to Egypt to collect Coptic-language manuscripts, but later grew interested in the remains of the Saqqara necropolis. In 1850, Mariette found the head of one sphinx sticking out of the shifting desert dunes, cleared the sand and followed the boulevard to the site. After using explosives to
South Saqqara Stone the 18th and 25th counts for Pepi I and his Year after the 23rd count, or the Year of and the Year after the 2nd count for Merenre) within this document. The Stone is considered one of the earliest historical documents in existence, as it is not merely a list of dynastic ancestors for the ruling pharaoh, but includes the names of all preceding pharaohs known to the artefact's creators, including such known usurpers as Userkare. South Saqqara Stone The South Saqqara Stone is the lid of the sarcophagus of the ancient Egyptian queen Ankhenespepi which was inscribed with a