Brazil at the Olympics This marked the first time that any country in South America has hosted the games. This also marks the first time that a lusophone country hosted any edition of the Olympic Games. Rio was only the second city in Latin America to host the Summer Olympics, after Mexico City in 1968, and Brazil was only the second country of the southern hemisphere to host the Olympics, after Australia in 1956 and 2000. Brazil has never hosted a winter edition of the Olympic Games. Brazil has hosted the Games on one occasion. According to official data of the International Olympic Committee,
Comoros at the 2000 Summer Olympics International Olympic Committee on 1 January 1993. Comoros joined Olympic competition at the 1996 Summer Olympics and have participated at every Summer Olympic Games since, though the nation has yet to debut at the Winter Olympic Games. Sydney was the second appearance by the nation in a Summer Olympiad. The 2000 Summer Olympics were held from 15 September to 1 October 2000; a total of 10,651 athletes represented 199 NOCs. The Comoros delegation to Sydney consisted of two track and field athletes: Hadhari Djaffar and Sandjema Batouli. Sandjema Batouli was 18 years old at the time of the Sydney Olympics