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When did Pope Gregory XIII become Pope?

  • 13 May 1572

  • 10 April 1585

  • 7 January 1502

  • 25 December 1580

Answer

Pope Gregory XIII ascended to the papacy on May 13, 1572. His reign marked a significant period in the Catholic Church, characterized by his implementation of the Gregorian calendar, which replaced the Julian calendar and remains the predominant calendar used worldwide today. Pope Gregory XIII's papacy also witnessed the conclusion of the Council of Trent, a pivotal event in the Catholic Church's response to the Protestant Reformation.
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