الاتحاد الألماني الشمالي
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.