561 days are past since April 28, 2023
| Date | Weekday | Event | Country | Type |
|---|---|---|---|---|
| 28 Apr | Friday | Mujahideen Victory Day | Afghanistan | Public |
| 28 Apr | Friday | National Heroes' Day | Barbados | Public |
| 28 Apr | Friday | Workers' Memorial Day | Gibraltar | Public |
| 28 Apr | Friday | Day for Safety and Health at Work | Poland | Non Public |
| 28 Apr | Friday | International Workers' Memorial Day | Poland | Non Public |
| 28 Apr | Friday | Eighth Day of the Festival of Breaking the Fast | Saudi Arabia | Non Public |
| 28 Apr | Friday | National Arbor Day | United States | Non Public |
| 28 Apr | Friday | Saint Pierre-Chanel Day | Wallis and Futuna | Public |