Uruguay competed at the 2004 Summer Olympics in Athens, Greece, from 13 to 29 August 2004. This was the nation's eighteenth appearance at the Olympics, except the 1980 Summer Olympics in Moscow, because of its full support to the United States boycott.
El Salvador competed at the 2000 Summer Olympics in Sydney, Australia, from 15 September to 1 October 2000. This was the nation's seventh appearance at the Olympics.
Argentina at the 1948 Summer Olympics in London, England was the nation's eighth appearance out of eleven editions of the Summer Olympic Games. Argentina sent to the 1948 Summer Olympics its fifth national team, under the auspices of the Argentine Olympic Committee of 199 athletes who competed in 101 events in 16 sports. It would not be until the 2016 Summer Olympics that the athlete delegation were surpassed. The medals haul of 3 golds, 3 silvers, and a bronze tied the medals haul in 1928. The achievement of 7 medals in an edition of the Olympics has yet to be matched.
Spain first participated at the Olympic Games in 1900, and has sent athletes to compete in most Summer Olympic Games since 1920. Spain has also participated in every Winter Olympic Games since 1936. Its team is organised by the Spanish Olympic Committee created in 1924.
The Olympic Committee of Portugal is a non-profit organisation of public utility, which serves as the National Olympic Committee (NOC) for Portugal. It was founded on October 26, 1909, to ensure a timely, methodical and state-sponsored participation at the Games of the V Olympiad, in Stockholm. Thus, it was the 13th nation to join the Olympic Movement.
Cape Verde has sent athletes to every Summer Olympic Games held since 1996, although the country has never won an Olympic medal. No athletes from Cape Verde have competed in any Winter Olympic Games.
Portugal first participated at the Olympic Games in 1912 and has since taken part in every edition of the Summer Olympic Games. Earlier that year, the Olympic Committee of Portugal was recognised by the International Olympic Committee as the Portuguese National Olympic Committee. In 1952, athletes representing Portugal competed for the first time at the Olympic Winter Games, and have only missed two editions since 1988.
Colombia first formally participated at the Olympic Games in 1932, and has sent athletes to compete in all but one edition of the Summer Olympic Games since then, missing only the 1952 Games. Colombian athletes have won a total of 34 Olympic medals in eight different sports, with weightlifting and cycling as the most successful ones. Colombia is the third most successful South American country at the Olympic Games, after Brazil and Argentina respectively. The Colombian Olympic Committee was created in 1936 and recognised by the International Olympic Committee in 1948.
Costa Rica first participated at the Olympic Games in 1936, but then missed the next four Olympiads. The nation returned to the Games in 1964, and has participated in every Summer Olympic Games since then. Costa Rica has also participated in several Winter Olympic Games since 1980.
El Salvador first competed in the Olympic Games at the 1968 Summer Olympics in Mexico City, Mexico. It has participated in every Games of the Olympiad since that time, excluding those held in 1976 and 1980, when the nation joined the American-led boycott in protest of the Soviet invasion of Afghanistan. They have never competed in the Olympic Winter Games. El Salvador has not earned a medal at any Olympic Games.
Portugal competed at the 2008 Summer Olympics in Beijing, People's Republic of China. It was the nation's twenty-second consecutive appearance at the Olympics. The Olympic Committee of Portugal was represented by a delegation of 129 people, of which 77 were competitors participating in 16 sports. Nelson Évora, the 2007 triple jump world champion, was chosen as the flag bearer during the opening ceremony; he won the triple jump event, giving Portugal its fourth ever Olympic gold medal.
Aruba competed at the 2008 Summer Olympics in Beijing, China. Their participation marked their sixth Olympic appearance, and included the smallest number of athletes that had ever represented Aruba in its history. Two Arubans competed in the Olympic games: Jan Roodzant participated as a swimmer, and Fiderd Vis participated in judo. The Aruban delegation arrived in Beijing between August 1 and August 4, including the athletes, coaches, and various officials from both the IOC and the Aruban Olympic Committee, Aruba's local Olympic committee. Fiderd Vis came to Beijing on special invitation from the IOC, which had observed his progress while he trained in Brazil. Vis was the flagbearer in the opening ceremony, while Roodzant was so in the closing ceremony. Both athletes were eliminated in the preliminary rounds on August 12, 2008; consequently, Aruba did not earn any medals.
The Sports and Olympic Committee of Macau, China, is the National Olympic Committee (NOC) of Macau and is responsible for organizing the Special Administrative Region's (SAR) participation in international sporting events. It is officially recognised as a National Olympic Committee by the Asian Olympic Committees, Portuguese Speaking Olympic Committees and East Asian Olympic Committees, etc., regional Olympic Committee, but not yet by the International Olympic Committee.
Julio César Maglione is a former member of the International Olympic Committee (IOC) from Uruguay. He became an IOC member in 1996 and an honorary member in 2015.
Uruguay competed at the 2012 Summer Olympics in London, from 27 July to 12 August 2012. This was the nation's twentieth appearance at the Olympics, Uruguay missed the 1980 Summer Olympics in Moscow, because of its partial support for the United States boycott.
Andrés Bayron Silva Lemos is a Uruguayan track athlete. He competed in the combined events on the youth and junior levels, but has since specialized in the 400 metres and 400 metres hurdles.
The Uruguayan Olympic Committee was founded in 1923 and was recognized by the IOC that same year.
Uruguay competed at the 2016 Summer Olympics in Rio de Janeiro, Brazil from 5 to 21 August 2016. Since the nation's official debut in 1920, Uruguayan athletes have appeared in every edition of the Summer Olympic Games, with the exception of the 1980 Summer Olympics in Moscow, because of its partial support to the United States-led boycott.
The Mexican Olympic Committee (COM) is the organization that represents Mexican athletes in the International Olympic Committee (IOC), the Pan American Games and the Central American and Caribbean Games. It was created and formally recognized by the IOC in 1923. The organization is currently directed by María José Alcalá.
