The Quad Cities was the first area in the United States to offer riverboat gaming.Īs part of the community’s celebration of the upcoming 20th anniversary of riverboat gaming, the Rhythm City Casino in downtown Davenport, Iowa, is offering special group tour packages from March 15 to April 15 for motorcoach groups of 30 or more. DAVENPORT, Iowa - On April 1, 1991, the Quad Cities launched a nationwide resurgence of riverboat gambling when the historic Diamond Lady, now the Isle Casino Hotel, unveiled its games of chance, just 30 minutes before the President, now the Rhythm City Casino.
