to Hungary, and after his death in 1490 the city returned to the Bohemian Crown, then under the rule of Polish prince Vladislaus II. It remained part of it until 1635 when it passed to the Electorate of Saxony. During the Counter-Reformation, especially following the Battle of White Mountain in 1620, a large number of Protestant refugees from Bohemia (the böhmische Exulanten) came to Zittau, where the Protestant Saxon rulers took them in. Many of them went on to find refuge in surrounding villages, in Dresden, and in Berlin in Brandenburg. Primarily as a result of the near-complete destruction of the city during the Seven Years' War, Zittau's then prosperity is reflected today in only a few exceptional buildings and the cemeteries where the well-to-do were buried. One of the most important trading goods of this early age in the 16th century was beer. Later in the 18th and 19th century textiles became important too, a tradition common in the region of Upper Lusatia. During World War II, a labour camp was located in the city. It provided forced labour for Phänomen Werke Gustav Hiller, a truck-manufacturing company (which became VEB Kraftfahrzeugwerk Phänomen after the war, renamed VEB Robur-Werke Zittau in 1957). Politics Lord Mayors 2001-2015: Arnd Voigt ("Free citizens Zittau")) since August 2015: Thomas Zenker ("Zittau can do more"). Local council The local council has 26 members, the results of the elections in August 2014 are: Reichstag Deputies Following the North German Confederation Treaty the Kingdom of Saxony entered the North German Confederation in 1866. This continued after the founding of the German Empire on 18 January 1871. Following this Saxony participated in Reichstag elections from February 1867. Zittau returned a series of Reichstag Deputies until 1919 when the existing constituencies were scrapped. Main sights Church of our Lady: A semi-gothic church that is first mentioned in 1355. City Hall: Designed by Karl Friedrich Schinkel and built in Italian palazzo style between 1840 and 1845. Flower Clock: A notable Zittau attraction, the flower clock was built in 1907 from a clockwork of an old Tower clock and contains approximately 4800 plants planted three times annually. Friary Church: It was the church of the Franciscan Monastery. Their high altar was sacred to the apostles Peter and Paulus in 1293. The main aisle dates from 1480 and was built in the style of late gothic. In the years 1696, 1731 and