Original sentence: Chief Illiniwek, or 'The Chief', was the university's official athletic mascot/symbol from 1926 until February 21, 2007.Use of the Chief garnered criticism for the university starting in the mid-1970s from Native Americans and others as a misappropriation and inaccurate portrayal of indigenous culture
Edited sentence: Chief Illiniwek, or 'The Chief', was the university's official athletic symbol/mascot from 1926 until February 21, 2007.Use of the Chief garnered criticism for the university starting in the late 1980s from Native Americans and others as a misappropriation and inaccurate portrayal of indigenous culture, while for many of the student body, the four minute performances alongside the marching band at half time gave a sense of unity and pride to the school and community