Patriots Park, 1485 Kellogg Creek Road, Acworth. Celebrate National Dog Day with food vendors, representatives from the Cherokee County Animal Shelter, K-9 Unit, Marshal’s Office, dog boutiques and more. Contest for best dressed, best trick, and dog and owner look-alikes. Dogs must be up to date on shots; no female dogs in heat. Half the proceeds will go to the animal shelter. Cost is $10 per dog. Pre-registration is required. Register at www.crpa.net.