 The Gaulish conquerors, divided in major tribes as the Boii (from whom Bologna, "Bononia", is named), the Taurini (whence the name of Turin), the Cenomani and the previous Insubres dwelled mostly on the plains, in time absorbing the Alpine populations.A warlike people, they even raided and burnt Rome itself in 390 BC under a leader named Brennus.Roman revenge took time, but was total and definitive