On 17 October 1968, Tommie Smith caused controversy by making a ‘Black Power Salute’ at the Olympics.
After winning 200m gold in Mexico City, Smith and his fellow American John Carlos – who took bronze – made the gesture during their medal ceremony in order to support the civil rights cause.
Find out more and listen to Smith explain what led him to make one of the most political statements the Olympics has ever seen.
http://www.bbc.co.uk/sport/0/athletics/24543522