Event
September 15, 2025
Countdown
Event ended
It took place on Monday, September 15, 2025
Country
Holiday type
Holiday
International Day of Democracy is a public holiday in United States observed on September 15, 2025.
First Day of National Hispanic Heritage Month
International Day for the Preservation of the Ozone Layer
September 16, 2025
Constitution Day and Citizenship Day
September 17, 2025