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
Modern pentathlon at the 2000 Summer Olympics Modern pentathlon at the 2000 Summer Olympics The modern pentathlon at the 2000 Summer Olympics in Sydney was held from 30 September to 1 October 2000. The men's and women's events each involved 24 athletes. The venues for the events were The Dome and Exhibition Complex (fencing and shooting), the Sydney International Aquatic Centre (swimming), and Sydney Baseball Stadium (horse riding and cross-country running). For the first time in Olympic history, modern pentathlon at these Olympic games had the highest ratio of NOC representation with respect to its quota out of all the sports, and also, the women's event was