September 3 Holidays, events and History 2021 September 3 Holidays, events and History 2021. DateDayHoliday NameHoliday TypeCountry3 SepFridayLabor DayPublic HolidayMarshall Islands Previous Article September 2 Holidays, events and History 2021 Next Article September 5 Holidays, events and History 2021 No Comments Yet Leave a Reply Cancel replyYour email address will not be published.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.