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Mexico City, Mexico - 1968: (L-R) John Carlos, Tommie Smith competing in the Men's 200 metres event at the 1968 Summer Olympics / Games of the XIX Olympiad, Estadio Olímpico Universitario. (Photo by Walt Disney Television via Getty Images)

Mexico City, Mexico - 1968: (L-R) John Carlos, Tommie Smith competing in the Men's 200 metres event at the 1968 Summer Olympics / Games of the XIX Olympiad, Estadio Olímpico Universitario. (Photo by Walt Disney Television via Getty Images)