Tags: Religious Building.
The Holy Trinity Cathedral (Romanian: Catedrala Sfânta Treime) in Blaj Romania is a Romanian Greek Catholic cathedral commissioned by bishop Inocențiu Micu-Klein in 1738. The church was built by Viennese architects Anton Erhard Martinelli and Johann Baptist Martinelli being completed in 1749.The building was extended in 1838 when the two monumental towers were added.
