December 27: National Days, Holidays & Observances
December 27 is day 361 of the year, with 4 days left until the year ends. In 2026 it falls on a Sunday. There are 2 observances on this date.
International Day of Epidemic Preparedness
The International Day of Epidemic Preparedness on December 27 urges the world to prepare for future outbreaks. UN history, recent epidemics, Louis…
National Day of the Victorious Greater Poland Uprising
Poland marks the victorious Greater Poland Uprising on December 27, remembering the 1918–1919 revolt in Poznań. History, timeline, how the day is…