National Days 2024 United States. A dedicated section to keeping you informed on what national days is it today in 2024 that are recognized in usa and globally. This page contains a national calendar of all 2024 federal and state holidays for the united states.

National aviation day is observed in the united states on august 19 each year to celebrate the history and development of the aviation. Founded in 2017 by national day calendar® to celebrate maryland as the 7th state to join the union.