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
Ancient Olympic Games of the sanctuary at Olympia, and hence the games, for prestige and political advantage. Pausanias later writes that in 668 BC, Pheidon of Argos was commissioned by the town of Pisa to capture the sanctuary from the town of Elis, which he did and then personally controlled the games for that year. The next year, Elis regained control. The Olympic Games were part of the Panhellenic Games, four separate games held at two- or four-year intervals, but arranged so that there was at least one set of games every year. The Olympic Games were more important and more prestigious than