During the Civil War, the Jayhawk's ruffian image gave way to patriotic symbol. Kansas Governor Charles Robinson raised a regiment called the Independent Mounted Kansas Jayhawkers. By war's end, Jayhawks were synonymous with the impassioned people who made Kansas a Free State. In 1886, the bird appeared in a cheer-the Rock Chalk Chant. When KU football players first took the field in 1890, it seemed natural to call them Jayhawkers