Pope clement xii

Head of the Catholic Church from 1831 to 1846

Pope Gregory XVI (Latin: Gregorius XVI; Italian: Gregorio XVI; born Bartolomeo Alberto Cappellari; 18 September 1765 – 1 June 1846) was head of the Catholic Church and ruler of the Papal States from 2 February 1831 to his death in June 1846.

He had adopted the name Mauro upon entering the religious order of the Camaldolese.

Strongly conservative and traditionalist, he opposed democratic and modernising reforms in the Papal States and throughout Europe, seeing them as fronts for liberalism and laicism.

Against these trends, Gregory XVI sought to strengthen the religious and political authority of the papacy, a position known as ultramontanism. In the encyclical Mirari vos, he pronounced it "false and absurd, or rather mad, that we must secure and guarantee to each one liberty of conscience." He encouraged missionary activity abroad and condemned the slave trade, which at the time of his pontificate was i