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 and Pacific Railway the railways in 1948, these plans were shelved. When the entire Argentine railway network was nationalised in 1948, during Juan Peron's presidency, the BA&P became part of the state-owned company Ferrocarril General San Martín. Buenos Aires and Pacific Railway The Buenos Aires and Pacific Railway (BA&P) (in Spanish: Ferrocarril Buenos Aires al Pacífico) was one of the "Big Four" broad gauge, , British-owned companies that built and operated railway networks in Argentina. The original concession was awarded by the Argentine government in 1872 to John E. Clark for the construction of a railway from Buenos Aires to Chile. It was