31 agosto 1991

• Malaysia's National Day (Malaysia)
  31 agosto
• Umhlanga Reed Dance (eSwatini)
  31 agosto

31 agosto 1991 is the 243^rd day of the year 1991 in the Gregorian calendar.
The day of the week is Saturday. There are 122 days remaining until the end of this year.
Chinese New Year 1991 will be from 15 febbraio to 1 marzo,
Muslim New Year - 13 luglio,
Jewish New Year, or Rosh Hashanah - from 9 settembre to 10 settembre.