Saints Marcellinus and Peter, Martyrs and St. Erasmus, Bishop and Martyr

Peter and Marcellinus are two Roman martyrs who suffered under the Diocletian persecution, about the year 303; the first was a priest, the second an exorcist. Their cultus was so important that after peace was restored to the Church, Constantine built a basilica in their honor, as he did for St. Peter, St. Paul, St.…