 The first in the King's residence, the "Berliner Stadtschloß", the second as a completely new opera house, located "Unter den Linden", the main artery of Berlin which featured all of the representational buildings of the time.The stage in the "Stadtschloß" was inaugurated with a performance of Graun's "Rodelinda" on December 13, 1741.The construction of the new opera house started in 1741 and although not fully completed yet the first performance took place on December 7, 1742 with Graun's "Cleopatra e Cesare".