Clovis I was a Frankish monarch who ruled from 481 until his death in 511. As the founder of the Merovingian dynasty, he transformed the Frankish leadership from a collection of small tribal kingdoms into a unified monarchy. His territories expanded across much of Gaul, stretching from the southern Netherlands to parts of modern-day Germany. By conquering various groups, including the Alemanni and the Visigoths, he established his family as a dominant political force in western Europe and laid the foundations for the future French state.