The ancient Libyan city of Leptis Magna was founded as a temporary trading port by the Phoenicians in the 7th century BCE and expanded under the Roman Empire. Leptis Magna Leptis Magna was enlarged and embellished by Septimius Severus, who was born there and later became emperor. It was one of the most beautiful cities of the Roman Empire, with its imposing public monuments, harbour, market-place, storehouses, shops and residential districts. Septimius Severus 193-211 AD Arch of Septimius Severus Medusa Heads at Severus Forum