Tag Archives | Pope Gregory XIII

Detail of the pope's tomb by Camillo Rusconi (completed 1723); Antonio Lilio is genuflecting before the pope, presenting his printed calendar.

Ten Days That Vanished: The Switch to the Gregorian Calendar

Detail of the pope’s tomb by Camillo Rusconi (completed 1723); Antonio Lilio is genuflecting before the pope, presenting his printed calendar. BY The Editors of Encyclopaedia Britannica When it comes to calendars, small errors can add up over time. The Julian calendar—the prevalent calendar in the Christian world for the first millennium CE and part of the […]

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