The US clergyman and civil rights leader Martin Luther King addresses, 29 March 1966 in Paris’ Sport Palace the militants of the “Movement for the Peace”. “Martin Luther King was assassinated on 04 April 1968 in Memphis, Tennessee. James Earl Ray confessed to shooting King and was sentenced to 99 years in prison. King’s killing sent shock waves through American society at the time, and is still regarded as a landmark event in recent US history. (Photo credit should read /AFP/GettyImages)