wichita.edu
… 9, 1865, more than 250,000 remained enslaved in Texas when Union troops arrived in Galveston on June 19, 1865, to order their emancipation. Texas was the first state to adopt the formal holiday in 1980. “Freedom Day is about setting our minds free from thoughts and things that hold us back from becoming successful in life and work,” said Dr. Marche…
https://www.wichita.edu/about/wsunews/news/2020/06-jun/juneteenth_7.php