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,
Mauritania at the 2000 Summer Olympics Los Angeles Olympics, and have sent a delegation to every Summer Olympic Games since; they have yet to make their first appearance at the Winter Olympic Games. These Sydney Olympics were the nation's fifth appearance at 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 Mauritanian delegation consisted of two track and field athletes, Sidi Mohamed Ould Bidjel and Fatou Dieng. Ould Bidjel was selected as the flag-bearer for the opening ceremony. Fatou Dieng was 16 years old at the time of the Sydney