Rio de Janeiro was awarded the Games over San Antonio, Texas, United States, on August 24, 2002, having won an absolute majority of votes (30–21) from the 51 members of the Pan American Sports Organization (PASO) in the first round of voting during the XL PASO General Assembly held in Mexico City, Mexico. This was the first Games held in Brazil since the 1963 Pan American Games that took place in São Paulo. According to the Rio de Janeiro Organizing Committee, the Games called for the implementation of the country's largest organizational and logistic operation ever.