Upcoming events at Fort Wayne’s Memorial Coliseum include the following: The Summit City Carnival will be held in the parking lot from Aug. 10. Tickets may be bought online. Show Me Reptiles & Exotics Show: Aug. 23-24 ColubridFest: Show Me Reptiles Show: Sept. 18-19 Johnny Appleseed Festival: Sept. 20-21 Rubber Stamp & Scrapbook Getaway: Oct….