The Gauls were a group of Celtic tribes that lived in what is now modern-day France, Belgium, and parts of Switzerland and Italy. They were known for their warrior culture, vibrant art, and complex social structures. The Gauls spoke a Celtic language and had a rich tradition of storytelling and music, which played a significant role in their community life. In the 1st century BC, the Gauls came into conflict with the expanding Roman Empire. The famous general Julius Caesar led campaigns against them, which are detailed in his work, "Commentarii de Bello Gallico." Ultimately, the Romans conquered the Gauls, leading to significant cultural changes and the eventual Romanization of the region.