He takes his army, which includes elephants, through the Swiss Alps. This is an artist's depiction of Hannibal's army with its elephants going through the Swiss Alps. And they're able to wreak havoc over the Italian peninsula. And this goes on for roughly 15 years. And so from 218 BCE till 201 BCE, you have the Second Punic War. Second Punic War. And even though Hannibal's able to wreak havoc for over a decade on the Italian peninsula, he's never able to fully take control of Rome.