The city-port of Heracleion was mentioned by ancient historians. But, until its recent underwater discovery, it was thought to be legend. Also, modern-day scholars dismissed its connection to the River Nile.
Herodotus (c. 484–425 BCE) and Strabo (64/63 BCE – c. 24 CE, who was also a philosopher and historian himself) were separated by centuries, yet both attest to the existence of an ancient African port city, full of boats, some of them presumably papyrus, since there were no great forests in Egypt that would