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

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