Omaha Riot Pictures Willie Brown, chief victim of the Omaha riot, September 28, 1919. Courtesy of the Nebraska State Historical Society Burning of Omaha police patrol car, September 28, 1919.Courtesy of the Nebraska State Historical Society Window in Douglas County Treasurer’s office, after the Omaha riot of September 28, 1919.Courtesy of the Nebraska State Historical Society. This entry is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International license.