October 12 Holidays, events and History 2021.
| Date | Day | Holiday Name | Holiday Type | Country |
| 12 Oct | Tuesday | Independence Day | National holiday | Equatorial Guinea |
| Oct 12 | Tuesday | Lady of Aparecida | National Holiday | Brazil |
| October 12 | Tuesday | Day of race | Festive | Guatemala |
| 12 Oct | Tuesday | Columbus Day | National holiday | Honduras |
| Oct 12 | Tuesday | Mexico Day of the Races | Statutory Holiday | Mexico |
| 12 Oct | Tuesday | Day of cultural diversity | Bank / working holiday | Uruguay |
| 12 Oct | Tuesday | Hispanic Day | National holiday | Spain |