In 1989 the five official Catholic dioceses were reorganized into five dioceses ( covering 455 parishes ) and the archdiocese of Minsk and Mahilyow .
The five official Catholic dioceses had existed since World War II and had been without a bishop .
In 1989 the five official Catholic dioceses , which had existed since World War II and had been without a bishop , were reorganized into five dioceses ( covering 455 parishes ) and the archdiocese of Minsk and Mahilyow .