For the third year, Santander Stadium will host York's free Fourth of July celebration, presented by York Traditions Bank. Gates open at 5:30 p.m. Saturday and fireworks set off beginning at 9:30 p.m. In between, country artist Brittany Opperman will perform at 6 p.m., sponsored by great Country 107.7 WGTY, and the U.S. Army Jazz Ambassadors will take the field at 8 p.m. for an all-American performance, presented by General Dynamics.