John of Sahagún, Spanish Augustinian friar, priest and saint (d. 1479)
John of Sahagún, O.E.S.A. (Spanish: Juan de Sahagún), (c. 1430 – 11 June 1479) was a Spanish Augustinian friar and priest. He was a leading preacher of his day, and was known as a peacemaker and reconciler of enemies among the nobles and factions of Salamanca. He was declared a saint by the Catholic Church in 1690 by Pope Alexander VIII.