The history of Baden-Württemberg covers the area included in the historical state of Baden, the former Prussian Hohenzollern, and Württemberg, part of the region of Swabia since the 9th century.
In the 1st century AD, Württemberg was occupied by the Romans, who defended their control of the territory by constructing a limes (fortified boundary zone). Early in the 3rd century, the Alemanni drove the Romans beyond the Rhine and the Danube, but they in turn succumbed to the Franks under Clovis I, the decisive battle taking place in 496. The area later became part of the Holy Roman Empire.
The history of Baden as a state began in the 12th century, as a fief of the Holy Roman Empire. As a fairly inconsequential margraviate that was divided between various branches of the ruling family for much of its history, it gained both status and territory during the Napoleonic era, when it was also raised to the status of grand duchy. In 1871, it became one of the founder states of the German Empi