Order of St. Gregory the Great
Order of chivalry
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The Pontifical Equestrian Order of St. Gregory the Great was established on 1 September 1831, by Pope Gregory XVI, seven months after his election as Pope.
The order is one of the five orders of knighthood of the Holy See. Wikipedia
Date established: September 1, 1831
Former grades: Knight/Dame Grand Cross of the Second Class
Motto: Pro Deo et Principe (Latin); ("For God and Ruler")
Next (higher): Order of Pope Pius IX
Next (lower): Order of St. Sylvester
Sovereign: Pope Francis