Juneteenth celebrates June 19, 1865, when all of America’s slaves became free. Delaware recognizes Juneteenth as a state holiday, and there are multiples celebrations across the state. Here’s a chronological list. Family Enrichment Program and Pageant, 3 p.m. June 13. 24th annual Delaware Juneteenth Association program. DoubleTree, 700 N. King St., Wilmington. $5-$10. Delaware Forum on Racial History and Juneteenth, 7-8:30 p.m. June 16. …