| Date | Weekday | Event | Country | Type |
|---|---|---|---|---|
| 21 Aug | Monday | General José de San Martín Memorial Day |
Argentina More... |
Public |
| 21 Aug | Monday | Day of Memory |
Czechia More... |
Public |
| 21 Aug | Monday | Youth Day |
Morocco More... |
Public |
| 21 Aug | Monday | Ninoy Aquino Day |
Philippines More... |
Public |
| 21 Aug | Monday | Senior Citizens Day |
United States More... |
Not public |