OLYS-1968-PROTEST-ANNIVERSARY-CARLOS

Former US track and field athlete and professional football player John Carlos, raises his fist as he speaks during a conference at the National University (Unam) in Mexico City, on September 24, 2018. Tommie Smith had just turned 24, and John Carlos 23, when they raised their gloved fists in a "Black Power" salute on the Olympic podium in Mexico City on October 16, 1968, a defiant protest that would become one of the most iconic images of the 20th century. (Photo by RONALDO SCHEMIDT / AFP) (Photo by RONALDO SCHEMIDT/AFP via Getty Images)