What year did the stadium where the 1983 FIFA World Youth Championship final was held open in?
Estadio Azteca The Estadio Azteca (] ) is a football stadium located in the suburb of Santa Úrsula in Mexico City, Mexico. Since its opening in 1966, the stadium has been the official home stadium of the professional Mexican football team América and the official national stadium of the Mexico national football team. With an official capacity of 87,000, it is the largest stadium in Mexico. The stadium sits at an altitude of 7,200 feet above sea level.
South American Youth Games The South American Youth Olympic Games (Spanish: "Juegos Suramericanos de la Juventud"; Portuguese: "Jogos Sul-Americanos da Juventude") is a regional multi-sport event organized by the Organización Deportiva Suramericana (ODESUR). The games are held every four years consistent with the current Olympic Games format. The first edition was held in Lima, Perú, from 20 to 29 September 2013. The age limitation of the athletes is 14 to 18.