The story
Founded by Catholic Church in the Czech Republic on Dec 5, 1777.1
Established in 1063 as Diocese of Olomouc / Olomucen(sis) (Latin), on territory split off from the then Diocese of Prague (now Metropolitan) and promoted on 5 December 1777 to Metropolitan Archdiocese of Olomouc / Olomucen(sis) (Latin) (lost territory to establish Diocese of Brno).
In 1788 it gained territory from the Diocese of Wrocław (Breslau, Silesia), in 1863 exchanged territory with Moravian Diocese of Brno.
15 March 1945: Lost territory to establish Apostolic Administration of Opole
31 May 1978: Gained territory from the suppressed Apostolic Administration of Český Těšín
It was visited Pope John Paul II in April 1990 and May 1995.
30 May 1996: Lost territory to establish Diocese of Ostrava-Opava as its suffragan
From Wikipedia’s article on Archdiocese of Olomouc, shared under CC BY-SA 4.0.5

