Saint Mamertus of Vienne

bishop of Vienne

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In Rogation Days
Mamertus of Vienne about the year 470 and were made binding for all of Gaul by the first Council of Orléans (511). Later (c. 800) the festival days were adopted in Rome by Pope Leo III. It is possible that Mamertus first instituted the Minor…
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In church year: Ascension
…Days, were instituted by Bishop Mamertus of Vienne (Gaul) in 470 and extended to all the Frankish churches at the Council of Orléans in 511. Pope Leo III (reigned 795–816) adopted them at Rome. They are observed by processional litanies and fasting as a supplication for clement weather for the…
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