31 days are past since May 18, 2025
| Date | Weekday | Event | Country | Type |
|---|---|---|---|---|
| 18 May | Sunday | Victory Day | Guadeloupe | Public |
| 18 May | Sunday | Flag and Universities Day | Haiti | Public |
| 18 May | Sunday | Somaliland Sovereignty | Somalia | Non Public |
| 18 May | Sunday | Day of Revival, Unity, and the Poetry of Magtymguly | Turkmenistan | Public |
| 18 May | Sunday | Father's Day | Tonga | Non Public |
| 18 May | Sunday | Sunday of Europe Day Weekend | Ukraine | Non Public |
| 18 May | Sunday | Battle of Las Piedras | Uruguay | Non Public |