"Frederician Rococo is a form of Rococo, which developed in Prussia during the reign of Frederick the Great and combined influences from France, Germany (especially Saxony) ...
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and the Netherlands.
Its most famous adherent was the architect Georg Wenzeslaus von Knobelsdorff. Furthermore, the painter Antoine Pesne and even King Frederick himself influenced Knobelsdorff´s designs. Famous buildings in the Frederican style include Sanssouci Palace, the Potsdam City Palace, and parts of Charlottenburg Palace." - (en.wikipedia.org 30.11.2019)