April 20 (Eastern Orthodox liturgics) - Wikipedia, the free encyclopedia
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374); Saint Marcian of Auxerre, a monk at the Monastery of Saints Cosmas and ... Severian, Chrysophorus, Theonas, and Antoninus, who suffered martyrdom ...
The Lives of the Fathers, Martyrs, and Other Principal Saints: ...
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Alban Butler - 1813 - Saints
St. Catharine of Bologna, March 9. St. Simon, M. March v t St. Vincent Ferrer, Valentia, April S. St. James of Sclavonia, April 20. St. Antoninus, Abp. of Florence,