In 1863, the Emancipation Proclamation declared that all enslaved people in Confederate States were legally free. But word traveled slowly during the Civil War. It wasn't until June 19, 1865--more than two months after the war ended--that the good news finally reached Galveston, Texas. From that moment forward, June 19 became a day to celebrate freedom--first in Texas and then across the country. How did Juneteenth develop over time, and what is the...