| Date | Weekday | Event | Country | Type |
|---|---|---|---|---|
| 18 Dec | Thursday | Fourth Day of Hanukkah | Not public | |
| 18 Dec | Thursday | Third Day of Las Posadas | Mexico More... | Not public |
| 18 Dec | Thursday | Nigerien Republic Day | Niger More... | Public |
| 18 Dec | Thursday | Qatar National Day | Qatar More... | Public |