June 12 Holidays, events and History 2021.
| Date | Day | Holiday Name | Holiday Type | Country |
| 12 Jun | Saturday | Democracy Day | Public Holiday | Nigeria |
| 12 Jun | Saturday | Chaco Armistice | National holiday | Paraguay |
| Jun 12 | Saturday | Independence Day | National Holiday | Philippines |
| 12 Jun | Saturday | Queen’s Birthday | Public Holiday | Tuvalu |
| 12 Jun | Saturday | Sovereign’s Birthday | Public Holiday | British Virgin Islands |
| 12 Jun | Saturday | Russia Day | National holiday | Russia |