He tells how they unsuccessfully resisted Hannibal when he crossed the Alps in 218 BC .
The first recorded reference to the Allobroges is from the Greek historian Polybius in 150 - 130 BC .
historian tells how they unsuccessfully resisted Hannibal when he crossed the Alps in 218 BC .
The first recorded reference to the Allobroges is from the Greek historian Polybius in 150 - 130 BC .