The National Cattle Congress is an annual agricultural event held in Waterloo, Iowa.
[1] The Hippodrome and the Electric Park Ballroom are located on the National Cattle Congress grounds.
Unlike other events such as the Iowa State Fair, Cattle Congress was held every year, even during World War II.
[1] In the 1980s, the NCC organization started a greyhound racing business to attempt to generate additional revenue.
[3] In 2008, the fairgrounds were used as a temporary holding facility for 260 illegal immigrants arrested in a raid in Postville, Iowa.