Changes in Ecclesiastical Jurisdictions in Lithuania

Date	Change
1388	Diocese of Vilnius was established (became suffragan of Gniezno)
1417.10.24	Diocese of Žemaitija was established (became suffragan of Gniezno)
1809.02.14	Diocese of Vilnius (Ukrainian Rite) was established
1828.04.22	Diocese of Vilnius (Ukrainian Rite) was suppressed (to establish Diocese of Žyrovyci)
1828.04.22	Diocese of Žyrovyci (Ukrainian Rite) was established (from the suppressed Diocese of Vilnius and Diocese of Volodymyr–Brėst)
1833	Diocese of Žyrovyci (Ukrainian Rite) was suppressed
1848.07.03	Diocese of Vilnius lost territory to Diocese of Žemaitija
1920.06.09	Diocese of Žemaitija lost territory to Diocese of Riga
1925.10.28	Diocese of Vilnius was promoted as Metropolitan Archdiocese of Vilnius (with suffragan sees Łomża and Pinsk)
1926.04.04	Diocese of Kaišiadorys was established (from Metropolitan Archdiocese of Vilnius and became suffragan of Vilnius)
1926.04.04	Diocese of Žemaitija was promoted as Metropolitan Archdiocese of Kaunas (with suffragan sees Panevėžys, Telšiai, Vilkaviškis and Klaipėda and lost territory to establish Diocese of Panevėžys, Diocese of Telšiai and Diocese of Vilkaviškis)
1926.04.04	Territorial Prelature of Klaipėda was established (from Diocese of Warmia and became suffragan of Kaunas)
1926.04.04	Diocese of Panevėžys was established (from Diocese of Žemaitija and became suffragan of Kaunas)
1926.04.04	Diocese of Telšiai was established (from Diocese of Žemaitija and became suffragan of Kaunas)
1926.04.04	Diocese of Vilkaviškis was established (from Diocese of Łomża and Diocese of Žemaitija and became suffragan of Kaunas)
1991.07.13	Ordinariate of East Europe (Armenian Rite) was established
1991.12.24	Territorial Prelature of Klaipėda was suppressed (to Diocese of Telšiai and united to Diocese of Telšiai)
1997.05.28	Diocese of Šiauliai was established (from Metropolitan Archdiocese of Kaunas, Diocese of Panevėžys and Diocese of Telšiai and became suffragan of Kaunas)
2000.11.25	Military Ordinariate of Lietuvos kariuomenės ordinariatas was established