| Date | Weekday | Event | Country | Type |
|---|---|---|---|---|
| 27 Apr | Sunday | King's Day | Public | |
| 27 Apr | Sunday | King's Birthday | Public | |
| 27 Apr | Sunday | Royal Day | Netherlands | Public |
| 27 Apr | Sunday | Day of Russian Parliamentarism | Russian Federation | Not public |
| 27 Apr | Sunday | Day of Uprising Against the Occupation | Slovenia | Public |
| 27 Apr | Sunday | Independence Day | Public | |
| 27 Apr | Sunday | Turkmen Racing Horse Festival | Turkmenistan | Public |
| 27 Apr | Sunday | Abolition of Slavery Day | Mayotte | Public |
| 27 Apr | Sunday | Freedom Day | South Africa | Public |