Summer Olympic Games specifically the long jump, in which American athlete Bob Beamon jumped 8.90 meters. Beamon's world record would stand for 23 years. The 1968 Games also introduced the now-universal Fosbury flop, a technique which won American high jumper Dick Fosbury the gold medal. Politics took center stage in the medal ceremony for the men's 200 meter dash, where Tommie Smith and John Carlos made a protest gesture on the podium against the segregation in the United States; their political act was condemned within the Olympic Movement, but was praised in the Black Power movement. Věra Čáslavská, in protest to the 1968
Summer Olympic Games demand for tickets to all levels of each event, there was controversy when seats set aside for sponsors and National Delegations went unused in the early days. A system of reallocation was put in place so the empty seats were filled throughout the Games. Rio de Janeiro, Brazil hosted the 2016 Summer Olympics, becoming the third city in the Southern Hemisphere to host the Olympic Games after Melbourne, Australia, in 1956 and Sydney, Australia, in 2000, and the first South American city to host the Olympics. The preparation for these Games was overshadowed by controversies, including the instability of Brazil's