Jesus nahm zu sich die Zwölfe, BWV 22 Weimar did not dismiss him and arrested him for disobedience. He was released on 2 December 1717. In Köthen, Bach found an employer who was an enthusiastic musician himself. The court was Calvinist, therefore Bach's work from this period was mostly secular, including the orchestral suites, the cello suites, the sonatas and partitas for solo violin, and the "Brandenburg Concertos". He composed secular cantatas for the court for occasions such as New Year's Day and the prince's birthday, including . He later parodied some of them as church cantatas without major changes, for example . Bach composed his cantata as
Brandenburg the Province of Brandenburg, again subdivided into the government regions of Frankfurt and Potsdam. In 1881, the City of Berlin was separated from the Province of Brandenburg. However, industrial towns ringing Berlin lay within Brandenburg, and the growth of the region's industrial economy brought an increase in the population of the province. The Province of Brandenburg had an area of and a population of 2.6 million (1925). After World War II, the Neumark, the part of Brandenburg east of the Oder–Neisse line, was transferred to Poland; and its native German population expelled. The remainder of the province became a state