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After the martyrdom of Saint Marcellinus I in AD304, the See of Peter remained vacant for around three years. Religious persecution under the reign of the Emperor Diocletian not only left the Churc...
Pursuing the beheading of Pope Sixtus II by the Emperor Valerian, the throne of Saint Peter remained vacant for about a year. The Church leaders were unable to find a new Pontiff due to the intense...
Saint Callixtus I (also referred to as Callistus I) was elected as the sixteenth Bishop of Rome, in AD217, succeeding Pope Zephyrinus. During the papacy of Pope Zephyrinus, Callixtus remained his c...