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St. Marcellus was elected Pope in 307, the last years of the persecution of the Church by Diocletian. He undertook the ecclesiastical reorganization of the Church and was most merciful to those who repented after having denied their Faith. When certain people known as the Lapsi refused to do penance for their apostasy and thus were not pardoned by St. Marcellus, the tyrant Emperor Maxentius sent St. Marcellus into exile, where he died in 309 as a result of privations.
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