Gregory XIII
Pope and initiator of the Gregorian Calendar

Born
1502
523 years ago
Died
April 10th, 1585
440 years ago — 83 years old
Category
Leaders & Politicians
Country
Italy
Links & References
Served as pope from 1572 to 1585. Initiated the reform of the calendar that led to the creation of the Gregorian Calendar, which corrected inaccuracies in the Julian Calendar and aligned the dates of religious observances with the seasons. The reform was essential for the correct calculation of Easter. Prior to his papacy, held various ecclesiastical roles, including the bishopric of Bologna. Engaged in political and diplomatic efforts to consolidate Catholic power in Europe.
Introduced the Gregorian Calendar in 1582
Reformed the Roman calendar system
Supported arts and education during papacy
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