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 [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 via Getty Images/Getty Images)