Juneteenth is the oldest nationally celebrated commemoration of the ending of slavery in the United States. Here's some of its history, and how it came to be a national holiday. President Abraham Lincoln signed the Emancipation Proclamation into law on Jan. 1, 1863, freeing all slaves in the Confederate states — on paper, at least.

Juneteenth celebrations took place across the U.S., commemorating the day in 1865 when enslaved Black people in Texas learned of their freedom. While long honored by Black Americans, the holiday has gained broader recognition since becoming a federal holiday in 2021 under President Joe Biden,

As towns and cities across the United States today celebrate the anniversary of the end of slavery on Juneteenth, see how communities have marked the federal holiday.