Which federal holiday was established most recently?

Juneteenth is recognized as a federal holiday that commemorates the emancipation of enslaved African Americans. It was established most recently among the choices, being signed into law as a federal holiday on June 17, 2021. This date marks the day in 1865 when Union soldiers arrived in Galveston, Texas, and announced the end of the Civil War and the freedom of enslaved people, symbolizing a significant milestone in American history.

In contrast, Labor Day, Veterans Day, and Columbus Day have been federal holidays for much longer. Labor Day was first celebrated in the late 19th century, Veterans Day has been recognized in various forms since 1954, and Columbus Day has been observed since the 1930s. The establishment of Juneteenth as a federal holiday reflects a broader recognition and acknowledgment of the country's history and the importance of celebrating African American heritage and freedom.