December 4 Holidays, events and History 2021 December 4 Holidays, events and History 2021. DateDayHoliday NameHoliday TypeCountry4 DecSaturdayAnniversary of the Coronation of King Tupou IPublic HolidayTonga Previous Article December 3 Holidays, events and History 2021 Next Article December 5 Holidays, events and History 2021 No Comments Yet Leave a Reply Cancel replyYour email address will not be published. Save my name, email, and website in this browser for the next time I comment.