In 390 the Gauls seized and plundered the city of Rome. While devastating to the young Republic, The city is saved from total destruction because a group of geese cackling alert Roman soldiers.the Gallic raids also helped to diminish Rome’s powerful enemy the Etruscans, which, in time, helped the rise of Rome to greatness. The Gauls pushed into central Italy by 284 BC. In a series of confrontations, the Romans defeated the tribes that occupied modern day Milan, and established colonies in a buffer zone.
During the next few centuries, Gauls remained a constant threat to the Roman Empire and its citizens’. In the last Samnite War in 295 BC, Gallic tribes joined forces with Samnites and Etruscans in an alliance attempting to stop Rome's rise to power. Only after putting down several revolts by 282 BC did Rome reduce the threat of Gallic invasions. During all of this ,Rome was expanding it geographical region.