28 days are past since May 21, 2025
| Date | Weekday | Event | Country | Type |
|---|---|---|---|---|
| 21 May | Wednesday | Navy Day | Chile | Public |
| 21 May | Wednesday | Independence Day | Montenegro | Public |
| 21 May | Wednesday | Abolition Day | Saint Martin | Public |
| 21 May | Wednesday | Saint Helena Day | Saint Helena, Ascension and Tristan da Cunha | Public |
| 21 May | Wednesday | Emergency Medical Services for Children Day | United States | Non Public |