Historical Society of Harford County, 143 N. Main Street.
Revisit happy days of the ’50s and ’60s at this fun festival featuring Reuben’s Suzi-Q’s, steakburgers and shakes. Dance to old-time rock ‘n’ roll. Enjoy exhibits, dance demos, antique car displays and more. 4 pm. $20. Call 410-838-7691 or visit www.harfordhistory.org.