The mosaic, thought to be a Roman copy of an earlier Hellenistic painting ... At its center is Alexander, young and determined, driving his forces into the Persian ranks. Darius, overwhelmed ...

Darius the Great, King of the Persians, came up with the first art political logo, with Alexander the Great later expanding on the concept by imprinting his face on coins that flooded his empire.

Likely a Roman copy of an earlier (~300 BCE) Hellenistic painting by Philoxenus ... spear piercing a Persian defender, Alexander stares down a desperate Darius III, whose charioteer is commanding ...

Over a 10-year period, fighting across modern-day Turkey, the Middle East, and as far away as Afghanistan and Pakistan, Alexander routed Persian king Darius III, taking the empire for his own.