| 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 |
Metropolitan Archdiocese of Kaunas lost territory to Diocese of Riga |
| 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 |
Metropolitan Archdiocese of Kaunas was established (from the suppressed Diocese of Žemaitija and with suffragan sees Panevėžys, Telšiai, Vilkaviškis and Klaipėda) |
| 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 the suppressed Diocese of Žemaitija and became suffragan of Kaunas) |
| 1926.04.04 |
Diocese of Telšiai was established (from the suppressed Diocese of Žemaitija and became suffragan of Kaunas) |
| 1926.04.04 |
Diocese of Vilkaviškis was established (from Diocese of Łomża, from the suppressed Diocese of Žemaitija and became suffragan of Kaunas) |
| 1926.04.04 |
Diocese of Žemaitija was suppressed (to establish Metropolitan Archdiocese of Kaunas, Diocese of Panevėžys, Diocese of Telšiai and Diocese of Vilkaviškis) |
| 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 |
| 2023 |
Titular Episcopal See of Medininkai was restored |
