ST. MARY PARISH BIRTHDAY BASH: 4-9 p.m., Kemper Williams Park, Patterson. Celebrating the parish’s 200th birthday. Bands include Flashback, 4-6 p.m.; and Johnny Chauvin & the Mojo Band, 6:30-8:30 p.m. Fireworks, wellness day, kids’ activities, food and drinks. Free.

BASTILLE DAY FESTIVAL: 5-9 p.m., Faubourg St. John, New Orleans. Performers include Cindy Scott & Don Vappie with the Tupelo Honeys and High Ground Drifters. Art booths, food and drinks.