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 establishing the European Defence Community Plan (1959–1962). European foreign policy was finally established during the third attempt with European Political Cooperation (EPC) (1970). This became the predecessor of the Common Foreign and Security Policy (CFSP). Today the European Union and NATO, and formerly also the Western European Union, all carry out some of the functions which was envisaged for the EDC, although none approach the degree of supranational military control that the EDC would have provided for. Treaty establishing the European Defence Community The Treaty establishing the European Defence Community, also known as the Treaty of Paris, is an unratified treaty signed on 27 May