This is our day guide for Thursday August 21st 2025 which shows you at a glance what's happening on this day around the world. Using the calendar on this page, you can look at a day guide for any day. Why not look up your birthday to see which holidays you share it with?
Holidays on August 21st 2025
Not a Public Holiday
Czech Republic: Day of Memory
A state holiday that commemorates those who lost their lives during the occupation of Czechoslovakia by Warsaw Pact troops that began in August 1968.
Morocco: Youth Day
Youth Day is celebrated on the birthday of the reigning monarch, Mohammed VI
Philippines: Ninoy Aquino Day
The holiday commemorates the assassination of former Senator Benigno 'Ninoy' Aquino, Jr. on August 21st 1983August 20th 2025 | Go to Today | August 22nd 2025
| Choose a Day |
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| General Information for August 21st 2025 | |
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| There are 3 public holidays today. | |
| Day 233 of 2025 | |
| 132 days left in 2025 | |
| Week 34 of the year | |
| On this Day in History | |
| 1977 - The start of the four day long Libyan–Egyptian War. | |
| 1970 - After 11 years of construction, the Aswan High Dam in Egypt is completed. | |
| 1968 - Soviet Union-dominated Warsaw Pact troops invade Czechoslovakia, crushing the Prague Spring. | |
| 1772 - King Gustav III completes his coup d'état by adopting a new Constitution, ending half a century of parliamentary rule in Sweden and installing himself as an enlightened despot. |
Office Holidays provides calendars with dates and information on public holidays and bank holidays in key countries around the world.
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