566 days are left until October 21, 2026
| Date | Weekday | Event | Country | Type |
|---|---|---|---|---|
| 21 Oct | Wednesday | Ndadaye Day | Burundi | Public |
| 21 Oct | Wednesday | Third Day of Constitution Day | Niue | Public |
| 21 Oct | Wednesday | Remembrance Day | Serbia | Non Public |
| 21 Oct | Wednesday | National Annual Tree Loving Day | Thailand | Non Public |
| 21 Oct | Wednesday | National Dental Hygiene Day | Thailand | Non Public |
| 21 Oct | Wednesday | National Nurses' Day | Thailand | Non Public |
| 21 Oct | Wednesday | Overseas Chinese Day | Taiwan | Non Public |
| 21 Oct | Wednesday | Saint Ursula's Day | British Virgin Islands | Public |