Pope Gregory XVI was known for his conservative stance against liberalism, secularism, and modernism, which he saw as threats to both the Church and the Papal States. His reign was marked by the suppression of new ideologies and movements. Birth name: Bartolomeo Alberto Cappellari Nationality: Papal States Born: September 18, 1765 Died: June 1, 1846 Pontificate: February 2, 1831 – June 1, 1846