Friends for the East Cobb Park will celebrate the park’s 10th anniversary 10 a.m. to 1 p.m. July 13 at the park, 3322 Roswell Road, Marietta. Food, refreshments, bounce houses, guest speakers, a disc jockey and entertainment will be on site. The park’s founders and the East Cobb Civitan Club will be honored. Info: eastcobbpark.org