| Date | Weekday | Event | Country | Type |
|---|---|---|---|---|
| 30 Apr | Wednesday | Walpurgis Night | Public | |
| 30 Apr | Wednesday | Education Day | Democratic Republic of the Congo More... | Not public |
| 30 Apr | Wednesday | Yom Ha'zikaron | Israel More... | Not public |
| 30 Apr | Wednesday | Children's Day | Mexico More... | Not public |
| 30 Apr | Wednesday | Carnival Day | Sint Maarten More... | Public |
| 30 Apr | Wednesday | Consumer Protection Day | Thailand More... | Not public |
| 30 Apr | Wednesday | Reunification Day | Vietnam More... | Public |