August 18 Holidays, events and History 2021 August 18 Holidays, events and History 2021. DateDayHoliday NameHoliday TypeCountry18 AugWednesdayTassouaNational holidayIran18 AugWednesdayAshuraPublic HolidayPakisthan Previous Article August 17 Holidays, events and History 2021 Next Article August 19 Holidays, events and History 2021 No Comments Yet Leave a Reply Cancel replyYour email address will not be published.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.