✚ Pope Reviews · № 226

Gregory XIII

Ugo Buoncompagni · 1572 – 1585 · 13 yrs · died

Fixed the calendar. You are using his version.

Did

Didn't

From the record

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.

Summary from Wikipedia, CC BY-SA 4.0.

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