Juneteenth is a day of remembrance dedicated to the last enslaved Black Americans, who were freed in Galveston, Texas, on June 19, 1865, more than two and a half years after the Emancipation Proclamation was signed by President Abraham Lincoln.
On June 17, 2021, President Joe Biden signed into law the Juneteenth National Independence Day Act making Juneteenth a federal holiday. It was the first federal holiday to be added to the calendar since Martin Luther King Jr. Day in 1983.
– From the Seattle Times