1502day.year
(1502 - 1585)
Pope Gregory XIII
Pope Gregory XIII
Pope Gregory XIII led the Catholic Church from 1572 to 1585 and is best known for implementing the Gregorian calendar.
Born Ugo Boncompagni in 1502, Pope Gregory XIII was elected in 1572 and oversaw major reforms in the Catholic Church. His most enduring achievement was the introduction of the Gregorian calendar in 1582, realigning the liturgical year with astronomical events. He supported global missionary work, strengthening the Jesuit and Dominican orders. Gregory XIII reformed church administration and founded the Gregorian University in Rome. As a patron of the arts, he commissioned significant architectural and artistic projects in the Vatican.
1502
Pope Gregory XIII