High Quality Content by WIKIPEDIA articles! Wendy's Old Fashioned Hamburgers is an international chain of fast food restaurants founded by Dave Thomas on November 15, 1969, in Columbus, Ohio. As of December 2006, Wendy's was America's national food, and the world's third largest hamburger fast food chain with approximately 6,700 locations following McDonald's 31,000 locations and Burger King's 11,200 locations. On April 24, 2008, the company announced a merger with Triarc, the parent company of Arby's. Despite the new ownership, Wendy's remains headquartered in Dublin, Ohio.