| Unknown |
Titular Archiepiscopal See of Chersona was established |
| 1318 |
Diocese of Caffa was established (became suffragan of Genova) |
| 1321 |
Diocese of Kyiv was established |
| 1321 |
Diocese of Žytomyr was established |
| 1350 |
Diocese of Cembalo was established (became suffragan of Saraj) |
| 1358 |
Diocese of Lviv was established |
| 1361 |
Diocese of Halyč was established |
| 1375.02.13 |
Diocese of Halyč was promoted as Metropolitan Archdiocese of Halyč (with suffragan sees Kamyanets-Podilsky, Lodomeria and Przemyśl and lost territory to establish Diocese of Lodomeria) |
| 1375.02.13 |
Diocese of Kamyanets-Podilsky was established (became suffragan of Halyč) |
| 1375.02.13 |
Diocese of Lodomeria was established (from Diocese of Halyč and became suffragan of Halyč) |
| 1390 |
Diocese of Soldaia was established |
| 1404 |
Diocese of Luceoria was established (from Diocese of Lodomeria) |
| 1414.12.24 |
Metropolitan Archdiocese of Halyč was suppressed (to Metropolitan Archdiocese of Lviv) |
| 1414.12.24 |
Diocese of Lviv was promoted as Metropolitan Archdiocese of Lviv (with suffragan sees Chełm, Kamyanets-Podilsky, Kyiv, Lodomeria, Przemyśl and Siret and gained territory from the suppressed Metropolitan Archdiocese of Halyč) |
| 1425.12.19 |
Diocese of Lodomeria was suppressed (to Diocese of Luck and Włodzimierz) |
| 1425.12.19 |
Diocese of Luceoria was renamed as Diocese of Luck and Włodzimierz (gained territory from the suppressed Diocese of Lodomeria and became suffragan of Lviv) |
| 1475 |
Diocese of Caffa was suppressed |
| 1485 |
Diocese of Cembalo was suppressed |
| 1500 |
Diocese of Soldaia was suppressed |
| 1594.05.02 |
Diocese of Lutsk–Ostroh (Ukrainian Rite) was established |
| 1596 |
Metropolitan Archdiocese of Kyiv–Halyč (Ukrainian Rite) was established |
| 1596 |
Diocese of Luck and Włodzimierz was renamed as Diocese of Luck |
| 1596 |
Diocese of Volodymyr–Brėst (Ukrainian Rite) was established |
| 1630 |
Titular Episcopal See of Cembalo was suppressed |
| 1630.10.24 |
Archdiocese of Lviv (Armenian Rite) was established (without ecclesiastical province) |
| 1636 |
Diocese of Lutsk–Ostroh (Ukrainian Rite) was suppressed |
| 1638 |
Diocese of Kyiv was renamed as Diocese of Kyiv–Černihiv |
| 1689 |
Apostolic Vicariate of Mukacheve (Ruthenian Rite) was established |
| 1700 |
Diocese of Lviv–Kamyanets (Ukrainian Rite) was established |
| 1702 |
Diocese of Lutsk–Ostroh (Ukrainian Rite) was restored |
| 1771.09.19 |
Apostolic Vicariate of Mukacheve (Ruthenian Rite) was promoted as Diocese of Mukacheve (became suffragan of Esztergom) |
| 1795 |
Diocese of Lutsk–Ostroh (Ukrainian Rite) was suppressed |
| 1795 |
Diocese of Volodymyr–Brėst (Ukrainian Rite) was suppressed |
| 1798.08.08 |
Diocese of Kyiv–Černihiv lost territory to Diocese of Lutsk and Zytomierz |
| 1798.08.08 |
Diocese of Luck was renamed as Diocese of Lutsk and Zytomierz (gained territory from Diocese of Chełm–Lublin and Diocese of Kyiv–Černihiv and gained territory from the suppressed Diocese of Žytomyr) |
| 1798.08.08 |
Diocese of Žytomyr was suppressed (to Diocese of Lutsk and Zytomierz) |
| 1798.10.16 |
Diocese of Kyiv–Černihiv was suppressed (to Metropolitan Archdiocese of Mohilev and Diocese of Lutsk and Zytomierz) |
| 1798.11.15 |
Diocese of Volodymyr–Brėst (Ukrainian Rite) was restored |
| 1798.11.18 |
Diocese of Lutsk–Ostroh (Ukrainian Rite) was restored |
| 1807.02.22 |
Diocese of Lviv–Kamyanets (Ukrainian Rite) was promoted as Metropolitanate sui juris of Lviv–Halyč–Kamyanets (with suffragan sees Chełm–Bełz and Przemyśl) |
| 1807.08.22 |
Metropolitan Archdiocese of Kyiv–Halyč (Ukrainian Rite) was renamed as Metropolitan Archdiocese of Kyiv |
| 1823.07.03 |
Diocese of Mukacheve (Ruthenian Rite) lost territory to Diocese of Oradea Mare |
| 1828.04.22 |
Diocese of Volodymyr–Brėst (Ukrainian Rite) was suppressed (to establish Diocese of Žyrovyci) |
| 1838 |
Metropolitan Archdiocese of Kyiv (Ukrainian Rite) was suppressed |
| 1839.03.14 |
Diocese of Lutsk–Ostroh (Ukrainian Rite) was suppressed |
| 1885.03.26 |
Diocese of Ivano-Frankivsk (Ukrainian Rite) was established (from Metropolitanate sui juris of Lviv–Halyč–Kamyanets) |
| 1921 |
Titular Episcopal See of Lutsk–Ostroh (Ukrainian Rite) was restored |
| 1925 |
Titular Archiepiscopal See of Chersona was renamed as Titular Archiepiscopal See of Cherson |
| 1925.10.28 |
Diocese of Lutsk and Zytomierz was renamed as Diocese of Lutsk (lost territory to establish Diocese of Žytomyr and became suffragan of Lviv) |
| 1925.10.28 |
Diocese of Žytomyr was restored (from Diocese of Lutsk and Zytomierz) |
| 1926 |
Titular Archiepiscopal See of Bosporus was established |
| 1929 |
Titular Archiepiscopal See of Cherson was renamed as Titular Archiepiscopal See of Chersonesus |
| 1929 |
Titular Archiepiscopal See of Phulli was established |
| 1930.06.05 |
Metropolitan Archdiocese of Lviv lost territory to Diocese of Iaşi |
| 1931 |
Apostolic Exarchate of Volhynia, Polesia and Pidliashia (Ukrainian Rite) was established |
| 1933 |
Titular Episcopal See of Caffa was restored |
| 1933 |
Titular Archiepiscopal See of Chersonesus was renamed as Titular Archiepiscopal See of Chersonesus in Zechia |
| 1933 |
Titular Episcopal See of Soldaia was restored |
| 1933 |
Titular Episcopal See of Sugdæa was established |
| 1944 |
Apostolic Exarchate of Volhynia, Polesia and Pidliashia (Ukrainian Rite) was suppressed |
| 1948 |
Titular Episcopal See of Sugdæa was promoted as Titular Metropolitan See of Sugdæa |
| 1963.12.23 |
Metropolitanate sui juris of Lviv–Halyč–Kamyanets (Ukrainian Rite) was promoted as Major Archdiocese of Lviv–Halyč–Kamyanets |
| 1973 |
Titular Episcopal See of Lutsk–Ostroh (Ukrainian Rite) was suppressed |
| 1993.04.20 |
Diocese of Kolomyia–Chernivtsi (Ukrainian Rite) was established (from Diocese of Ivano-Frankivsk) |
| 1993.04.20 |
Diocese of Sambir–Drohobych (Ukrainian Rite) was established (from Major Archdiocese of Lviv–Halyč–Kamyanets) |
| 1993.04.20 |
Diocese of Ternopil (Ukrainian Rite) was established (from Major Archdiocese of Lviv–Halyč–Kamyanets) |
| 1993.04.20 |
Diocese of Zboriv (Ukrainian Rite) was established (from Major Archdiocese of Lviv–Halyč–Kamyanets) |
| 1993.08.14 |
Apostolic Administration of Zakarpattia was established (from Diocese of Satu Mare) |
| 1995.11.25 |
Archiepiscopal Exarchate of Kyiv–Vyshhorod (Ukrainian Rite) was restored (from Major Archdiocese of Lviv–Halyč–Kamyanets) |
| 1998.11.25 |
Diocese of Kyïv–Žytomyr was restored (from the suppressed Diocese of Žytomyr and became suffragan of Lviv) |
| 1998.11.25 |
Diocese of Žytomyr was suppressed (to establish Diocese of Kyïv–Žytomyr) |
| 2000.07.21 |
Diocese of Bučač (Ukrainian Rite) was established (from Diocese of Ternopil) |
| 2000.07.21 |
Diocese of Sokal (Ukrainian Rite) was established (from Major Archdiocese of Lviv–Halyč–Kamyanets and Diocese of Ternopil and from the suppressed Diocese of Zboriv) |
| 2000.07.21 |
Diocese of Stryj (Ukrainian Rite) was established (from Major Archdiocese of Lviv–Halyč–Kamyanets) |
| 2000.07.21 |
Diocese of Ternopil (Ukrainian Rite) was renamed as Diocese of Ternopil–Zboriv (gained territory from the suppressed Diocese of Zboriv and lost territory to establish Diocese of Bučač and Diocese of Sokal) |
| 2000.07.21 |
Diocese of Zboriv (Ukrainian Rite) was suppressed (to Diocese of Ternopil–Zboriv and to establish Diocese of Sokal) |
| 2002.01.11 |
Archiepiscopal Exarchate of Donets’k–Kharkiv (Ukrainian Rite) was established (from Archiepiscopal Exarchate of Kyiv–Vyshhorod) |
| 2002.03.27 |
Apostolic Administration of Zakarpattia was promoted as Diocese of Mukacheve (became suffragan of Lviv) |
| 2002.05.04 |
Diocese of Kharkiv–Zaporizhia was established (from Diocese of Kamyanets-Podilsky and Diocese of Kyïv–Žytomyr and became suffragan of Lviv) |
| 2002.05.04 |
Diocese of Odessa–Simferopol was established (from Diocese of Kamyanets-Podilsky and became suffragan of Lviv) |
| 2003.07.28 |
Archiepiscopal Exarchate of Odessa–Krym (Ukrainian Rite) was established (from Archiepiscopal Exarchate of Kyiv–Vyshhorod) |
| 2004.12.06 |
Archiepiscopal Exarchate of Kyiv–Vyshhorod (Ukrainian Rite) was promoted as Metropolitan Archdiocese of Kyiv (with suffragan sees Bučač, Kolomyia–Chernivtsi, Sambir–Drohobych, Sokal and Stryj and exchanged territory with Major Archdiocese of Lviv–Halyč–Kamyanets) |
| 2004.12.06 |
Major Archdiocese of Kyiv–Halyč–Kamyanets (Ukrainian Rite) was established (from Major Archdiocese of Lviv–Halyč–Kamyanets) |
| 2004.12.06 |
Major Archdiocese of Lviv–Halyč–Kamyanets (Ukrainian Rite) was demoted as Archdiocese of Lviv (lost territory to establish Major Archdiocese of Kyiv–Halyč–Kamyanets and exchanged territory with Archiepiscopal Exarchate of Kyiv–Vyshhorod) |
| 2006.09.20 |
Diocese of Sokal (Ukrainian Rite) was renamed as Diocese of Sokal–Zhovkva |
| 2008.01.15 |
Archiepiscopal Exarchate of Lutsk (Ukrainian Rite) was restored (from Metropolitan Archdiocese of Kyiv) |
| 2011.11.21 |
Diocese of Ivano-Frankivsk (Ukrainian Rite) was promoted as Metropolitan Archdiocese of Ivano-Frankivsk (with suffragan see Kolomyia–Chernivtsi) |
| 2011.11.21 |
Archdiocese of Lviv (Ukrainian Rite) was promoted as Metropolitan Archdiocese of Lviv (with suffragan sees Sambir–Drohobych, Sokal–Zhovkva and Stryj) |
| 2011.11.21 |
Diocese of Ternopil–Zboriv (Ukrainian Rite) was promoted as Metropolitan Archdiocese of Ternopil–Zboriv (with suffragan see Bučač) |
| 2014.02.13 |
Archiepiscopal Exarchate of Krym (Ukrainian Rite) was established (from Archiepiscopal Exarchate of Odessa–Krym) |
| 2014.02.13 |
Archiepiscopal Exarchate of Odessa–Krym (Ukrainian Rite) was renamed as Archiepiscopal Exarchate of Odessa (lost territory to establish Archiepiscopal Exarchate of Krym) |
| 2014.04.02 |
Archiepiscopal Exarchate of Donets’k–Kharkiv (Ukrainian Rite) was renamed as Archiepiscopal Exarchate of Donets’k (lost territory to establish Archiepiscopal Exarchate of Kharkiv) |
| 2014.04.02 |
Archiepiscopal Exarchate of Kharkiv (Ukrainian Rite) was established (from Archiepiscopal Exarchate of Donets’k–Kharkiv) |
| 2015.12.11 |
Diocese of Kamyanets-Podilsky (Ukrainian Rite) was established (from Metropolitan Archdiocese of Ternopil–Zboriv and became suffragan of Ternopil–Zboriv) |
| 2015.12.11 |
Major Archdiocese of Kyiv–Halyč–Kamyanets (Ukrainian Rite) was renamed as Major Archdiocese of Kyiv–Halyč |
| 2017.09.12 |
Diocese of Chernivtsi (Ukrainian Rite) was established (from Diocese of Kolomyia–Chernivtsi and became suffragan of Ivano-Frankivsk) |
| 2017.09.12 |
Diocese of Kolomyia–Chernivtsi (Ukrainian Rite) was renamed as Diocese of Kolomyia (lost territory to establish Diocese of Chernivtsi) |
