Saints Gregory of Narek, John De Avila, Hildegard of Bingen – Optional Memorials

Pope Francis has decreed the inscription of the following celebrations in the General Roman Calendar:

1. Saint Gregory of Narek, Abbot and Doctor of the Church – Optional Memorial – February 27
2. Saint John De Avila, Priest and Doctor of the Church – Optional Memorial – May 10
3. Saint Hildegard of Bingen, Virgin and Doctor of the Church – Optional Memorial – September 17