August 22 Holidays, events and History 2021 August 22 Holidays, events and History 2021. DateDayHoliday NameHoliday TypeCountry22 AugSundayNikini Full Moon Poya DayPublic HolidaySri Lanka22 AugSundayOur Lady of GracesMunicipal HolidayPortuagal Previous Article August 21 Holidays, events and History 2021 Next Article August 24 Holidays, events and History 2021 No Comments Yet Leave a Reply Cancel replyYour email address will not be published.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.