Complex sentence: Oscar Bohlen designed Assumption Catholic Church (1894), also known as Saint Mary of the Assumption Roman Catholic Church and later renamed Saint Athansius the Great Byzantine-Ruthenian Catholic Church.
Split into simpler sentences: Oscar Bohlen designed Assumption Catholic Church (1894). Also known as Saint Mary of the Assumption Roman Catholic Church, it was later named Saint Athansius the Great Byzantine-Ruthenian Catholic Church.