Lilienthal, Lower Saxony conversion of the Cistercian nuns, it became a Lutheran Women's Convent, and until the end of the Thirty Years' War in 1648 it remained in deplorable conditions. In 1650, the city went through secularization. The land once belonging to the convent, which had become fragmented, developed into the small town of Lilienthal. In 1648, according to the terms of the peace treaty that ended the Thirty Years' War (The Peace of Westphalia), the Prince-Archbishopric was transformed into the Duchy of Bremen, ruled together with the Principality of Verden, which were first ruled in personal union by the Swedish Crown. Queen
Treaty of the Pyrenees princess entered France. In addition, the English received Dunkirk, although they elected to sell it to France in 1662. The Treaty of the Pyrenees was the last major diplomatic achievement by Cardinal Mazarin. Combined with the Peace of Westphalia, it allowed Louis XIV remarkable stability and diplomatic advantage by means of a weakened Louis II de Bourbon, Prince de Condé and a weakened Spanish Crown, along with the agreed dowry, which was an important element in the French king's strategy: All in all, by 1660, when the Swedish occupation of Poland was over, most of the European continent was at