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Category Archive for 'history'

February 29: Leap day

February 29, also known as leap day in the Gregorian calendar, is a date occurring in most years evenly divisible by 4 (2004, 2008, 2012, and 2016). Years evenly divisible by 100 don’t contain a leap day, with the exception of years that are evenly divisible by 400, which do contain a leap day. Therefore [...]

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