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December 31 is the 365th day of the year (366th in leap years) in the Gregorian Calendar, as the final day of the Gregorian year.
December 30 - January 1 - November 30 - January 31 -- listing of all days
January, February, March, April, May, June, July,
August, September, October, November, DecemberEvents
Births
Deaths
Holidays and observances
See also

