Changes in Ecclesiastical Jurisdictions in Russia

Date	Change
1243.07.29	Diocese of Sambia was established
1300	Diocese of Tana was established
1321	Metropolitan Archdiocese of Saraj was established
1349.02.21	Metropolitan Archdiocese of Matriga was established
1370	Metropolitan Archdiocese of Saraj was suppressed
1400	Metropolitan Archdiocese of Matriga was suppressed
1471	Diocese of Tana was suppressed
1525.12.10	Diocese of Sambia was suppressed
1617	Diocese of Sambia was restored
1625	Diocese of Smoleńsk (Ukrainian Rite) was established
1636.09.01	Diocese of Smoleńsk was established (became suffragan of Gniezno)
1778	Diocese of Smoleńsk (Ukrainian Rite) was suppressed
1818	Diocese of Smoleńsk was suppressed (to Metropolitan Archdiocese of Mohilev)
1821.07.16	Diocese of Sambia was suppressed (to Diocese of Warmia)
1848.07.03	Diocese of Cherson was established (from Metropolitan Archdiocese of Mohilev and became suffragan of Mohilev)
1852	Diocese of Cherson was renamed as Diocese of Tiraspol
1917	Apostolic Exarchate of Russia (Russian Rite) was established (from Metropolitan Archdiocese of Mohilev)
1921	Diocese of Tiraspol lost territory to Diocese of Iaşi
1921.12.01	Apostolic Vicariate of Siberia was established (from Metropolitan Archdiocese of Mohilev)
1923.02.02	Diocese of Vladivostok was established (from Apostolic Vicariate of Siberia)
1925	Titular Episcopal See of Tana was restored
1926.04.11	Apostolic Administration of Leningrad was established (from Metropolitan Archdiocese of Mohilev)
1928	Titular Episcopal See of Matriga was restored
1929	Titular Episcopal See of Matriga was renamed as Titular Episcopal See of Matrega
1929	Titular Archiepiscopal See of Nicopsis was established
1929	Titular Episcopal See of Tana was renamed as Titular Episcopal See of Tanais
1932.07.18	Mission sui juris of Karafuto was established (from Apostolic Vicariate of Sapporo 札幌)
1933	Titular Episcopal See of Tanais was renamed as Titular Episcopal See of Tanais
1938	Apostolic Vicariate of Siberia was suppressed
1938.05.21	Mission sui juris of Karafuto was promoted as Apostolic Prefecture of Karafuto
1942	Titular Episcopal See of Tanais was renamed as Titular Episcopal See of Tanais
1991.01.16	Diocese of Tiraspol lost territory to Diocese of Kamyanets-Podilsky
1991.04.13	Apostolic Administration of European Russia was established (from Diocese of Tiraspol and from the suppressed Metropolitan Archdiocese of Mohilev)
1991.04.13	Apostolic Administration of Leningrad was suppressed (to Metropolitan Archdiocese of Minsk–Mohilev and to establish Apostolic Administration of Kazakhstan and Apostolic Administration of Novosibirsk)
1991.04.13	Apostolic Administration of Novosibirsk was established (from Diocese of Vladivostok and from the suppressed Metropolitan Archdiocese of Mohilev and Apostolic Administration of Leningrad)
1991.07.13	Ordinariate of East Europe (Armenian Rite) was established
1999.05.18	Apostolic Administration of Eastern Siberia was established (from Apostolic Administration of Novosibirsk)
1999.05.18	Apostolic Administration of Novosibirsk was renamed as Apostolic Administration of Western Siberia (lost territory to establish Apostolic Administration of Eastern Siberia)
1999.11.23	Apostolic Administration of European Russia was renamed as Apostolic Administration of Northern European Russia (lost territory to establish Apostolic Administration of Southern European Russia)
1999.11.23	Apostolic Administration of Southern European Russia was established (from Apostolic Administration of European Russia)
2002.02.11	Diocese of Tiraspol was suppressed (to Diocese of Saint Clement at Saratov)
2002.02.11	Apostolic Administration of Northern European Russia was promoted as Metropolitan Archdiocese of Mother of God at Moscow (with suffragan sees Saint Clement at Saratov, Saint Joseph at Irkutsk and Transfiguration at Novosibirsk)
2002.02.11	Apostolic Administration of Southern European Russia was promoted as Diocese of Saint Clement at Saratov (gained territory from the suppressed Diocese of Tiraspol and became suffragan of Mother of God at Moscow)
2002.02.11	Apostolic Administration of Eastern Siberia was promoted as Diocese of Saint Joseph at Irkutsk (gained territory from the suppressed Diocese of Vladivostok and became suffragan of Mother of God at Moscow)
2002.02.11	Apostolic Administration of Western Siberia was promoted as Diocese of Transfiguration at Novosibirsk (became suffragan of Mother of God at Moscow)
2002.02.11	Diocese of Vladivostok was suppressed (to Diocese of Saint Joseph at Irkutsk)
2002.04.10	Apostolic Prefecture of Karafuto was renamed as Apostolic Prefecture of Yuzhno Sakhalinsk