Complex sentence: In 1968, in the wake of "Nostra Aetate" issued by the Second Vatican Council, the archdiocese of Mechelen-Brussels officially derecognised the cult, and in 1977 Cardinal Leo Joseph Suenens installed a plaque in the cathedral to highlight this.
Split into simpler sentences: In 1968, in the wake of "Nostra Aetate" issued by the Second Vatican Council, the Archdiocese of Mechelen-Brussels officially derecognised the cult. In 1977 Cardinal Leo Joseph Suenens installed a plaque in the cathedral to highlight this.