Linked from
The 27 pages that link to First Vatican Council, each with the reason it gives.
Papal supremacyBroader topic: It gave papal supremacy a formal doctrinal definition.
PopeRelated: It formally articulated doctrines central to the pope’s modern authority.
Pope Pius IXBroader topic: Pius IX convened the council and oversaw its major doctrinal definitions.
JesuitsRelated: Jesuit theologians, especially Joseph Kleutgen, helped shape debates at the council.
PapacyRelated: Its decrees formalized major doctrines about papal authority.
RomanismBroader topic: Its definitions renewed Protestant polemics about Roman authority.