Complex sentence: Originally established as the Vicariate Apostolic of Upper Michigan on July 29,1853, it was raised to a Diocese as the Diocese of Sault Sainte Marie on January 9,1857.
Split into simpler sentences: Originally established as the Vicariate Apostolic of Upper Michigan on July 29,1853. The Vicarate Apostolic of Upper Michigan was raised to the status of a Diocese as the Diocese of Sault Sainte Marie on January 9,1857.