Polybius (ca. 203 - 120 BC, Greek Πολύβιος) was a Greek historian of the Mediterranean world famous for his book called The Histories or The Rise of the Roman Empire, covering in detail the period of 220 - 146 BC. He is also renowned for his ideas of political balance in the government, which was later used in Montesquieu's The Spirit of the Laws and the drafting of the United States Constitution.
|