20th May, (7th May O.S.):
- DOMITIAN, bishop of Maastricht and Apostle of the Meuse valley. He reposed circa 560 and his relics were venerated at Huy.
- JOHN OF BEVERLEY, a native of Harpham in Yorkshire who became a monk at Whitby. He was consecrated Bishop of Hexham and later served as Bishop of York. St. John ordained St. Bede (25th May) and founded a monastery at Beverley, reposing in 721.
- JUVENAL OF BENEVENTO, a Saint of Narni. He reposed circa 132 and his shrine is in Benevento.
- PETER OF PAVIA, the Bishop of Pavia during the reign of Luitprand, King of the Lombards. He reposed circa 735.
- PLACID (PLACIDUS, PLAIT), an abbot of St. Symphorian in Autun, he reposed circa 675.
- SERENICUS AND SERENUS, two brothers from a noble family in Spoleto, who became monks and later settled as hermits near the River Sarthe in Gaul. Serenus remained a hermit until the end of his life, but Serenicus became the abbot of a monastery with some one hundred and forty monks. They are believed to have reposed circa 669.
* - Prior to the Schism the Patriarchate of Rome was Orthodox and fully in communion with the Orthodox Church. As Saint John of Shanghai and San Francisco +1966 said "The West was Orthodox for a thousand years, and her venerable Liturgy is far older than any of her heresies."