Citizenship Day 2025

September 17, 2025 in the World

Citizenship Day also known as Constitution Day is a federal holiday in the USA, and observed on September 17, 2025. On that day in 1787 the adoption of the United States Constitution was signed by delegates to the Constitutional Convention in Philadelphia.

We have placed a detailed description of this event on this page: Citizenship Day 2024. For further information please stop by there!

Where is Citizenship Day?
When is Citizenship Day?
Wednesday, the 17th of September 2025
Only 476 days left!

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Citizenship Day 2025 - Sep 17, 2025 – Copyright © 2024 Cute Calendar