European wars of religion of the German states and, to a lesser extent, the Low Countries and Italy, while bankrupting many of the powers involved. The war ended with the Treaty of Münster, a part of the wider Peace of Westphalia. During the war, Germany's population was reduced by 30% on average. In the territory of Brandenburg, the losses had amounted to half, while in some areas an estimated two thirds of the population died. The population of the Czech lands declined by a third. The Swedish army alone, which was no greater a ravager than the other armies of the Thirty Years' War,
Duchy of Limburg Eighty Years' War, ended by the 1648 Peace of Westphalia. An area known as Limburg of the States, consisting of parts of Overmaas (but no part of the Duchy of Limburg itself), was ceded to the Dutch Republic. In 1661, the Dutch and the Spanish agreed on a re-partition of the county of Dalhem. The duchy of Limburg itself remained undivided under Spanish Habsburg rule as part of the Southern Netherlands, passing to the Austrian Habsburgs under the Treaty of Utrecht in 1713. When the region was occupied by the French in 1794, the Austrian duchy of Limburg proper was