 The date of the grant of an alliance treaty (foedus) is unknown.Goudineau had speculated that it may have been made by Gaius Pomptinus after he suppressed the last rebellion of the Allobroges in 61 BCE when he was the governor of Gallia Transalpina However, this is not certain.Pliny also named the town of Vasio in his record of people and places which had Latin rights.