This is not to say that Polybius was the first to write a history of Rome’s wars. While narrative history seems to have been a relatively late development in the city, Rome had some form of record keeping that went back to, at least, the early fourth century BC and likely much earlier. By 200 BC, Roman elites had also begun to write narrative accounts of their city’s past, including warfare, initially in Greek and later in Latin. By the time Polybius put stylus to parchment, Roman history was a thriving genre. And yet, what Polybius did, especially with respect to the Roman army, was novel. While Polybius’ explicit focus was on the rise of Rome, he also worked to place events and developments within a Greek historical and historiographical…