Pope Gregory XIII
Pope of the Catholic Church from 1572 to 1585 (1502-1585) · Italy · Religious Figures · Died at 83
Pope Gregory XIII is read about 582 times a day, in 88 languages.
A typical day, 30 days to 15 October 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 390 days, one point a day.
Something wrong?He remade time itself. Every date you write, every calendar you check - that's his doing. The pope who saw that the Julian calendar had drifted ten days out of sync with the solar year and corrected it in 1582, embedding his name in the daily life of the entire planet.
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Pope Gregory XIII
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Ugo Boncompagni was born 7 January 1502 and rose through the Church to become Pope Gregory XIII on 13 May 1572, taking the helm of both the Catholic Church and the Papal States. His papacy's defining act was commissioning the calendar reform that bears his name - the Gregorian calendar, which corrected the drift in the old Julian system and remains the international civil standard centuries later. He ruled until his death on 10 April 1585, but the calendar outlasted him, quietly organizing the days of believers and nonbelievers alike.
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