Bids for the 2020 Summer Olympics Rome was nominated by the Italian National Olympic Committee on 19 May 2010. Italy's capital city was chosen over Venice as the country's bid for the 2020 Games. Rome previously hosted the Summer Olympics in 1960 and was chosen to host the 1908 Summer Olympics, but was relocated to London due to the 1906 eruption of Mount Vesuvius. It bid to host the 2004 Games but lost to Athens in the final round of voting. Rome hosted the 2009 World Aquatics Championships as well as the 1990 FIFA World Cup Final. Italy previously hosted the 2006 Winter Olympics in Turin
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