How Old Is The United States On July 4 2024. Later that same day, other readings occurred in trenton,. The united states of america celebrated its 200th anniversary in 1976.
The bicentennial, as it was called, came in an unsettled time, the aftermath of. While the fourth of july became an unpaid federal holiday in 1870, it was on june 29, 1938, that a law was passed turning it into a paid holiday for federal.