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Newton’s Double Birthday and the Gregorian Calendar
- 2013-01-04
The commemoration of Sir Isaac Newton’s birth presents a curiosity: it is celebrated on both December 25, 1642, and January 4, 1643. This dual observance stems from the shift between the Julian and Gregorian calendars. This article explores the reasons behind this double celebration, delving into the historical context of the calendar reform and its impact on the dating of historical events.