September 19 Holidays, events and History 2021.
| Date | Day | Holiday Name | Holiday Type | Country |
| 19 Sep | Sunday | Army Day | National holiday | Chile |
| 19 Sep | Sunday | Constitution Day | Public Holiday | Nepal |
| 19 Sep | Sunday | Independence Day | Public Holiday | Saint Kits And Nevis |
| 19 September | Sunday | The Feast of Saint Januarius (Naples) | Local holiday | Italy |
| 19 Sep | Sunday | Swiss Federal Fast | Common local holiday | Switzerland |