Iowa Events DU events are fun! More importantly, the revenue generated from these events is critical to our conservation mission and the future of waterfowl hunting. Chichaqua Gun Bash-Altoona Thursday, June 27, 2019 South East Dinner Friday, August 9, 2019 Greencastle Gunners DU Waterf Saturday, August 17, 2019 Bellevue Area Dinner Saturday, August 24, 2019 Iowa River Dinner Saturday, September 21, 2019