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Saint Mamertus of Vienne

bishop of Vienne

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Saint Mamertus of Vienne was a bishop in Gaul around the year 470 CE. He is credited with introducing the Minor Rogations, which are three days of prayer and fasting before the feast of the Ascension. These days were established to ask for God's blessings on crops and protection from famine and pestilence. The Minor Rogations were later adopted throughout Gaul and eventually in Rome. Mamertus is also noted for his role in the early Christian Church in Gaul.1

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