Changes in Ecclesiastical Jurisdictions in Switzerland 🇨🇭

Date	Change
346	Diocese of Basel was established
380	Diocese of Octodurum was established
400	Diocese of Genève was established
500	Diocese of Avenches was established (became suffragan of Besançon)
500	Diocese of Chur was established (became suffragan of Milano)
515	Territorial Abbacy of Saint-Maurice d’Agaune was established
575	Diocese of Octodurum was renamed as Diocese of Sion
595	Diocese of Avenches was suppressed (to establish Diocese of Konstanz and Diocese of Lausanne)
595	Diocese of Lausanne was established (from the suppressed Diocese of Avenches and became suffragan of Besançon)
934	Territorial Abbacy of Maria Einsiedeln was established
1621	Apostolic Prefecture of Rhaetia was established (from Diocese of Chur)
1782	Diocese of Basel exchanged territory with Metropolitan Archdiocese of Besançon
1801.11.29	Diocese of Basel lost territory to Diocese of Strasbourg
1801.11.29	Diocese of Genève was suppressed (to Diocese of Chambéry)
1801.11.29	Diocese of Lausanne lost territory to Metropolitan Archdiocese of Besançon and Diocese of Basel
1818.05.02	Diocese of Chur lost territory to Diocese of Brixen
1821.01.30	Diocese of Lausanne was renamed as Diocese of Lausanne et Genève
1823.07.02	Diocese of Sankt Gallen was established (from Diocese of Chur and without ecclesiastical province)
1841	Diocese of Chur lost territory to Diocese of Basel
1866	Diocese of Chur lost territory to Diocese of Sankt Gallen
1884.09.01	Apostolic Administration of Ticino was established (from Metropolitan Archdiocese of Milano and Diocese of Como)
1888.09.07	Apostolic Administration of Ticino was promoted as Diocese of Lugano (without ecclesiastical province)
1921	Apostolic Prefecture of Rhaetia was suppressed (to Diocese of Chur)
1924.10.17	Diocese of Lausanne et Genève was renamed as Diocese of Lausanne, Genève et Fribourg
1960.07.22	Apostolic Exarchate of France (Ukrainian Rite) was established
2013.01.19	Apostolic Exarchate of France (Ukrainian Rite) was promoted as Diocese of Saint-Vladimir-le-Grand de Paris (without ecclesiastical province)