Few popes of modern times have presided over so momentous a series of decisions and actions as Pius IX (reigned 1846–78), whose early liberalism was ended by the shock of the Revolutions of 1848. During his reign the development of the modern papacy reached a climax with the triumph of ultramontanism—the viewpoint of those who favoured strong papal authority and the centralization of the church—and the promulgation of the dogma of papal infallibility. It had long been taught that the church, as “the pillar and bulwark of the truth,” could not fall away from the truth of divine revelation and ...(100 of 56687 words)