Pope Gregory XIII
Pope of the Catholic Church from 1572 to 1585 (1502–1585)
Summary
Updated 2026-05-29
Pope who gave the world the calendar most people still use. Gregory XIII ran the Catholic Church and Papal States from 1572 until his death, but got top billing for fixing the Julian calendar's math problem.
Biography
About
Pope Gregory XIII was head of the Catholic Church and ruler of the Papal States from 13 May 1572 to his death in April 1585. He is best known for commissioning and being the namesake for the Gregorian calendar, which remains the internationally accepted civil calendar to this day.
Profile
Tags & topics
Profile
Platforms
No platforms connected yet.
Profile
Timeline
No timeline events yet. Claim the profile to add milestones.
Profile
Trend
Fame score, last 90 days
Profile
Score breakdown
The six component signals behind the Fame score, and their ranks across the leaderboards.
Fame
Falling15.7
Composite of search demand, mentions, audience & graph footprint.
Score components
Historical21.4
Source confidence60.0
Completeness60.0
Global rank
—
Country rank
—
Category rank
#204
Profile
Sources
- WikidataHigh confidencewikidata · wikidata.org
- WikipediaHigh confidencewikipedia · en.wikipedia.org
- Pantheon 2.0High confidencedatabase · pantheon.world
.jpg)
.jpg)
.jpg)
