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
War of the Spanish Succession was reliant on the so-called "Maritime Powers" (England and the Dutch Republic) and also a higher priority for them. By formalising religious divisions within the Empire, the [[Peace of Westphalia|1648 Peace of Westphalia]] weakened its integrity and by 1700, the larger German states were pursuing their own policies. [[Electorate of Bavaria|Bavaria]] allied itself with France while as King of Poland, [[Augustus II the Strong|Augustus of Saxony]] was fully occupied by the [[Great Northern War]]. To gain [[Frederick I of Prussia|Frederick of Prussia]]'s support, Leopold recognised him as King, with Prussia made an equal member of the Grand Alliance. [[George I