| Date | Weekday | Event | Country | Type |
|---|---|---|---|---|
| 28 Apr | Friday | Mujahideen Victory Day |
Afghanistan More... |
Public |
| 28 Apr | Friday | National Heroes' Day |
Barbados More... |
Public |
| 28 Apr | Friday | Workers' Memorial Day |
Gibraltar More... |
Public |
| 28 Apr | Friday | Day for Safety and Health at Work |
Poland More... |
Not public |
| 28 Apr | Friday | International Workers' Memorial Day |
Poland More... |
Not public |
| 28 Apr | Friday | Eighth Day of the Festival of Breaking the Fast |
Saudi Arabia More... |
Not public |
| 28 Apr | Friday | National Arbor Day |
United States More... |
Not public |
| 28 Apr | Friday | Saint Pierre-Chanel Day |
Wallis and Futuna More... |
Public |