Tuesday of the Twenty-Eighth Week in Ordinary Time; Opt Mem of St. Callistus I, Pope & Martyr

Today is the Optional Memorial of St. Callistus, Pope and Martyr. Callistus was a Christian slave of Rome, and later was ordained deacon by Pope St. Zephyrinus, whom he succeeded as pope in the year 217. As deacon he was guardian of the Christian cemetery on the Appian Way which is still known by his name.…

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