The thirteenth day of July.
- 1881. The body of Pope Pius IX is moved from St. Peter's grotto to the Basilica di San Lorenzo fuori le Mura.
- Abd-al-Masih, Christian saint and martyr
- Abel of Tacla Haimonot in the Coptic Church
- Saint Anacletus, pope, martyr [southern France, Franciscans]
- Saint Eugenius, bishop of Carthage, and companions, confessors (died 505)
- Saint Henry, Holy Roman Emperor, confessor [common] (died 1024)
- Saint Silas, apostle northern France
- Saint Willehad, bishop of Bremen, confessor (Ordination) Bremen
- Saint Margaret, virgin, martyr common