Estonia
| Date | Weekday | Event | Country | Type |
|---|---|---|---|---|
| 23 Jun | Monday | Saint John's Day | Estonia | Not public |
| 23 Jun | Monday | Victory Day | Estonia | Public |
| 23 Jun | Monday | National Day | Luxembourg | Public |
| 23 Jun | Monday | Midsummer's Eve | Latvia | Public |
| 23 Jun | Monday | Father's Day | Not public | |
| 23 Jun | Monday | Midsummer Eve | Norway | Not public |
| 23 Jun | Monday | Saint John's Eve | Poland | Not public |