| Date | Weekday | Event | Country | Type |
|---|---|---|---|---|
| 22 Apr | Tuesday | Earth Day | Not public | |
| 22 Apr | Tuesday | Orthodox Easter Tuesday | Cyprus More... | Not public |
| 22 Apr | Tuesday | Easter Tuesday | Heard Island and McDonald Islands More... | Not public |
| 22 Apr | Tuesday | International Mother Earth Day | Poland More... | Not public |
| 22 Apr | Tuesday | Holocaust Remembrance Day | Serbia More... | Not public |
| 22 Apr | Tuesday | Landing of the 33 Patriots Day | Uruguay More... | Public |