| Date | Country | Change |
| 1689 | Apostolic Vicariate of Mukačeve (Ruthenian Rite) was established | |
| 1771.09.19 | Apostolic Vicariate of Mukačeve (Ruthenian Rite) was promoted as Diocese of Mukačeve (became suffragan of Esztergom) | |
| 1823.07.03 | Diocese of Mukačeve (Ruthenian Rite) lost territory to Diocese of Oradea Mare | |
| 1914 | Apostolic Administration of Bosna i Hercegovina (Ruthenian Rite) was established (from Diocese of Križevci) | |
| 1922 | Apostolic Administration of Targul-Siret (Ruthenian Rite) was established | |
| 1924 | Apostolic Administration of Bosna i Hercegovina (Ruthenian Rite) was suppressed (to Diocese of Križevci) | |
| 1924.05.08 | Apostolic Exarchate of United States of America (Ruthenian Rite) was established (from Ordinariate of United States of America) | |
| 1930 | Apostolic Administration of Targul-Siret (Ruthenian Rite) was suppressed | |
| 1963.07.06 | Diocese of Passaic (Ruthenian Rite) was established (from Apostolic Exarchate of United States of America) | |
| 1963.07.06 | Apostolic Exarchate of United States of America (Ruthenian Rite) was promoted as Diocese of Pittsburgh (lost territory to establish Diocese of Passaic) | |
| 1969.02.21 | Diocese of Pittsburgh (Ruthenian Rite) was promoted as Metropolitanate sui juris of Munhall (with suffragan sees Parma and Passaic and lost territory to establish Diocese of Parma) | |
| 1969.02.21 | Diocese of Parma (Ruthenian Rite) was established (from Diocese of Pittsburgh and became suffragan of Munhall) | |
| 1977.03.11 | Metropolitanate sui juris of Munhall (Ruthenian Rite) was renamed as Metropolitanate sui juris of Pittsburgh | |
| 1981.12.03 | Diocese of Van Nuys (Ruthenian Rite) was established (from Diocese of Parma and became suffragan of Pittsburgh) | |
| 1996.01.18 | Apostolic Exarchate of Czech Republic (Ruthenian Rite) was established (from Diocese of Prešov) | |
| 2009.12.18 | Diocese of Van Nuys (Ruthenian Rite) was renamed as Diocese of Holy Protection of Mary of Phoenix | |
| 2022.03.03 | Apostolic Exarchate of Saints Cyril and Methodius of Toronto (Ruthenian Rite) was established (from the suppressed Diocese of Saints Cyril and Methodius of Toronto and became suffragan of Pittsburgh) |
Last updated on 2026.04.12
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