203- 120 BCE - Polybius was the central historian of the Hellenistic period. Polybius was Greek, however he lived in Rome for a time. He wrote a detailed history of the "inhabited Mediterranean world" from 221 to 146 BCE.
His history focuses on the growth of Rome and the achievements of the Romans. Polybius is also noted for using first-hand accounts and having a great desire to achieve accuracy in his work.