Louisville, Kentucky river traffic between the upper Ohio River and the Gulf of Mexico, the settlement first grew as a portage site. It was the founding city of the Louisville and Nashville Railroad, which grew into a system across 13 states. Today, the city is known as the home of legendary boxer Muhammad Ali, the Kentucky Derby, Kentucky Fried Chicken (KFC), the University of Louisville and its Louisville Cardinals athletic teams, Louisville Slugger baseball bats, and three of Kentucky's six "Fortune" 500 companies. Its main airport is also the site of United Parcel Service's worldwide air hub. Since 2003, Louisville's borders have
Butchertown, Louisville formerly residential areas. Suburbanization continued to bring the residential areas into decline, until the few remaining residents began lobbying for rezoning (the entire area was zoned as industrial), and fixing up vacant and underrepaired houses. Since the 1990s the area has attracted many young professionals. In recent years, the east Market Street area of downtown Louisville has seen a great deal of revitalization, including the expansion of Waterfront Park, Louisville Slugger Field, and the conversion of empty store fronts into new condominiums. This has helped spur further improvements in Butchertown itself, as many new antique shops and art galleries have