He is primarily concerned with the 53 years in which Ancient Rome became a dominant world power .
Polybius ' Histories begin in the year 264 BC and end in 146 BC ( Polybius was born around 200 BC and died around 117 BC ) .
Polybius is primarily concerned with the 53 years in which Ancient Rome became a dominant world power .
Polybius ' Histories begin in the year 264 BC and end in 146 BC ( Polybius was born around 200 BC and died around 117 BC ) .