October 20 Holidays, events and History 2021.
| Date | Day | Holiday Name | Holiday Type | Country |
| 20 Oct | Wednesday | The Day After Prophet’s Birthday | Public Holiday | Côte d’Ivoire |
| 20 Oct | Wednesday | Mashujaa Day | Public holiday | Kenya |
| October 20 | Wednesday | 1944 revolution | National holiday | Guatemala |
| 20 Oct | Wednesday | Bouk Ok Pansa | Public Holiday | Laos |
| 20 Oct | Wednesday | Vap Full Moon Poya Day | Public Holiday | Sri Lanka |