 On 25 February 1803 it lost territory to the Diocese of Konstanz, on 26 April 1808 it gained territory from the same and in 1815 lost territory to that Diocese of Konstanz.In 1871 the bulk of the diocese became part of German Empire, while small fringes remained with France.On 10 July 1874 Strasbourg diocese, with its diocesan ambit reconfined to the borders of then German Alsace, gaining territory from the Diocese of Saint-Dié, and losing territory to the Metropolitan Archdiocese of Besançon, and it became an exempt diocese, immediately subject to the Holy See instead of part of any ecclesiastical province.