Armenian saint made Doctor of the Church: Pope

In the 10th century, St. Gregory of Narek took holy orders at 25 years old

St. Gregory of Narek wrote many prayers that the Armenian Church still uses.
(Photo credit: Vatican handout) 

Pope Francis has named an Armenian saint the 36th Doctor of the Church. St. Gregory of Narek "is widely revered as one of the greatest figures of medieval Armenian religious thought and literature," according to Vatican Radio.