Pan American Games Aires in 1940, the participants decided that the first games should be held in Buenos Aires in 1942. The plans had to be postponed because of World War II. A second Pan American Sports Congress held in London during the 1948 Summer Olympics reconfirmed Buenos Aires as the choice of host city for the inaugural games, which were held in 1951. The games offered 18 sports. Countries that were part of the Commonwealth of Nations such as Canada did not compete at the first Pan American Games. The second games were held in Mexico City, Mexico. Competitions started on March
Buenos Aires Football Club (1886) which would become today's Argentine Rugby Union. Buenos Aires would also open the first season of the recently created championship, playing Lomas, which defeated Buenos Aires by 11-4. Lomas would finally win the first title at the end of the season. Buenos Aires later became one of the most successful clubs of Argentina, winning eight championships of 16 contested (five of them consecutively between 1900 and 1904). After a fire that destroyed the facilities both clubs shared, Buenos Aires FC merged with Buenos Aires Cricket Club in 1951 to form Buenos Aires Cricket & Rugby Club. Due to there were