sentences:  On 15 November 1858 with the opening of the extension of the line to Zwickau, the "Nikolaibahnhof" ("Nikolai station", now Chemnitz-Mitte station) was opened as the second station in Chemnitz and the original station was renamed "Centralbahnhof" ("Central Station").The extension of the line made it necessary to extend the station's facilities.Between 1858 and 1866 the first freight facilities were developed.