October 1 Holidays, events and History 2021.
| Date | Day | Holiday Name | Holiday Type | Country |
| 1 Oct | Friday | Public Holiday (October) | Public Holiday | Botswana |
| 1 Oct | Friday | National Day | Public Holiday | Nigeria |
| Oct 01 | Friday | Chinese National Day | National Holiday | Hong Kong |
| 1 Oct | Friday | National Day of the People’s Republic of China | Obligatory Holiday | Macau |
| 1 Oct | Friday | Chuuk Constitution Day | Local holiday | Micronesia |
| 1 Oct | Friday | Elders’ Day | Observance | Mongolia |
| 1 Oct | Saturday | Independence Day | Public Holiday | Palau |
| 1 Oct | Friday | Tuvalu Day | Public Holiday | Tuvalu |
| 1 Oct | Friday | Teachers Day | Public Holiday | Uzubekisthan |
| 1 Oct | Friday | Cyprus Independence Day | National holiday | Cyprus |