History of Tunisia for centuries assigned its foundation to a queen of Tyre, Elissa, also called Dido. The Roman historian Pompeius Trogus, a near contemporary of Virgil, describes a sinister web of court intrigue which caused Queen Elissa (Dido) to flee the city of Tyre westward with a fleet of ships. The Roman poet Virgil (70–19 B.C.) portrays Dido as the tragic, admirable heroine of his epic the "Aeneid", which contains many inventions loosely based on legendary history, and includes the story about how the Phoenician queen acquired the Byrsa. By the middle of the sixth century B.C., Carthage had grown into a
Dido The "isoperimetric problem" of enclosing the maximum area within a fixed boundary is often called the "Dido Problem" in modern calculus of variations.) That would become their new home. Many of the local Berbers joined the settlement and both Berbers and envoys from the nearby Phoenician city of Utica urged the building of a city. In digging the foundations an ox's head was found, indicating a city that would be wealthy but subject to others. Accordingly, another area of the hill was dug instead where a horse's head was found, indicating that the city would be powerful in war. But