Sedevacantism is a traditionalist Catholic movement which holds that since the death of Pius XII the occupiers of the Holy See are not valid popes due...

Peter Gibson (August 26, 1918 – May 11, 2020) was an American writer on sedevacantism, a World War II veteran, the 1968 Jeopardy! grand champion and the father...

conclavists. This claim is usually associated with the claim, known as sedevacantism, that the present holder of the title of pope is not pope, which implies...

for the sedevacantists in Toulon in 1981 and to his declaration of sedevacantism, the Congregation for the Doctrine of the Faith again declared him ipso...

holding the heresy of Modernism. This is contrasted with the position of sedevacantism, which asserts a vacancy in the papal office; the term sede vacante...

traditionalist Catholic bishop from Acapulco, Guerrero, Mexico, who propagated sedevacantism in Mexico. He was one of the bishops consecrated by the Vietnamese sedevacantist...

by the Second Vatican Council. Some Catholics took the position of sedevacantism, which teaches Pope John XXIII and his successors are heretics and therefore...

List of papal elections Papal conclave Papal selection before 1059 Sedevacantism Pretender "Antipope". Encyclopædia Britannica. 30 May 2023. Retrieved...

is an American sedevacantist bishop who is known for his advocacy of sedevacantism and sedeprivationism. He currently serves as the superior general of...

Ukrainian orthodox Greek Catholic Church, Kovpak and the PSSJK reject both Sedevacantism and Conclavism. In 2008, a group of Basilian priests from Slovakia,...