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
Canada at the Summer Olympics in wrestling were won by Daniel Igali in the 2000 Sydney games and Carol Huynh in the 2008 Beijing games in freestyle. Canada has never won an Olympic medal in Greco-Roman wrestling. Their best finish was fourth in the men's light heavyweight competition at the 1956 games. Canada at the Summer Olympics Canada has competed at 23 Summer Olympic Games, missing only the inaugural 1896 Summer Olympics and the boycotted 1980 Summer Olympics. The nation made its debut at the 1900 Summer Olympics. Canada competes under the IOC country code CAN. Canada has hosted the Summer Olympic Games once, in