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Rhineland-Palatinate is one of the 16 Bundesländer (federal states) of Germany. It has an area of 19,846 km² and about 4.048 million inhabitants. The capital is Mainz. The federal state of Rhineland-Palatinate was established on 30 August 1946.
Guttenberg Castle (Palatinate)
From 1680 to 1697 the region was under French hegemony as part of the successes achieved under France's policy of reunionspolitik. From 1792 to 1815 the region was part of the First French Republic and was assigned to the département du Bas-Rhin (Department of Lower Rhine). In November 1815 the area between the rivers Lauter and Queich, including the ruins of Guttenberg, came under the sovereignty of the Empire of Austria as a result of the agreements reached in the Second Treaty of Paris. Finally in April 1816 the region of the Palatinate was surrendered in the Treaty of Munich to the Kingdom of Bavaria, becoming the Circle of the Rhine.