Roman historian Ammianus Marcellinus wrote that before the fourth century B.C.E., a Thracian fortified settlement named Eumolpias existed at the site of present - day Plovdiv.
Rooma ajaloolane Ammianus Marcellinus kirjutas, et enne neljandat sajandit e.m.a eksisteeris praeguse Plovdivi asukohas traaklaste kindlustatud asundus Eumolpias.