The Plattsmouth Harvest Festival, held downtown in Plattsmouth each September, began during the Great Depression as the Kass Kounty King Korn Karnival. The 95th festival ran September 10–12, 2026, with a king and queen crowning on Thursday, a kiddie parade Friday at noon and the grand parade Saturday at 6 p.m., plus a carnival, a craft fair and chicken chariot and minnow races.