Juneteenth, the nation's newest federal holiday, is celebrated by Americans on June 19 to commemorate the end of slavery in the United States, with a history dating back to the 1860s.

June 19 marks Juneteenth, a holiday that commemorates the emancipation of enslaved people in the United States. It became a federal holiday in 2021 when then-President Joe Biden signed the Juneteenth National Independence Day Act into law.

The United States’ newest federal holiday, celebrated annually on June 19, has quickly become its most puzzling one. Four years after President Joe Biden signed the Juneteenth National