National Calendar Day January 12 2025. It’s almost halfway through january, and we’re already starting to break our new year resolutions. Founded in 2017 by national day calendar® to celebrate michigan as the 26th state to join the union.

Celebrates the start of the gregorian calendar year and is a public holiday in most european countries.; National day calendar is committed to celebrating every aspect of our nation’s diverse culture and history, which is why we proudly.