Muhammad Ali at Glenville High School (Cleveland, Ohio)

On Friday May, 25, 1971, Cleveland’s Glenville High School was celebrating the last day of their 3rd annual week-long Eusi Sikukuu (Black Festival). At an afternoon assembly of the student body in the school gymnasium, Principal Leo Clayton asked for attention from the noisy crowd, the told them he had a surprise guest to announce: “I’ve somewhat kept this as a surprise, and I gather that a surprise it is. It is my distinct pleasure to present at this time Muhammad Ali.”