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1968 Olympic Games, Mexico City, Mexico, Men's 200 Metres Final, USA gold medalist Tommie Smith (C) and bronze medalist John Carlos give the black power salute as an anti-racial protest as they stand on the podium with Australian silver medallist Peter Norman (Photo by Popperfoto/Getty Images)

1968 Olympic Games, Mexico City, Mexico, Men's 200 Metres Final, USA gold medalist Tommie Smith (C) and bronze medalist John Carlos give the black power salute as an anti-racial protest as they stand on the podium with Australian silver medallist Peter Norman  (Photo by Popperfoto/Getty Images)