The 58th World Science Fiction Convention (Worldcon) was Chicon 2000, which was held in Chicago, USA from August 31 through September 4, 2000. The venues for 58th Worldcon were Hyatt Regency Chicago, Sofitel Hotel and Fairmont Hotel. The organizing committee was chaired by Tom Veal.The convention had 6,574 members, of whom 5,794 actually attended the convention.