sentences:  In the early 20th century a glassworks and a large china tableware manufacturing plant, which are still in operation today, were built.In 1939 the city had about 65,000 inhabitants.During World War II the Germans established labour units for Italians from the Stalag VIII-A prisoner-of-war camp, and two subcamps of the Gross-Rosen concentration camp, intended for Jews, located in the present Gaj and Książ districts.