South American nations at the FIFA World Cup team, after Italy in 1938, to successfully defend its World title. Hosts Chile beat Yugoslavia 1–0 to finish third. At the 1966 World Cup, four South American nations participated. Argentina and Uruguay lost in the quarter-final, while Brazil and Chile were eliminated after the group stage. During that controversial game (for more details see Argentina and England football rivalry), Argentina's Antonio Rattín became the first player to be sent off in a senior international football match at Wembley Stadium. Rattín at first refused to leave the field and eventually had to be escorted by several policemen. After 30 minutes, England
Union of South American Nations Union of South American Nations The Union of South American Nations (USAN; , UNASUR; , UNASUL; , UZAN; and sometimes referred to as the South American Union) is an intergovernmental regional organization comprising twelve South American countries. The UNASUR Constitutive Treaty was signed on 23 May 2008, at the Third Summit of Heads of State, held in Brasília, Brazil. According to the Constitutive Treaty, the Union's headquarters will be located in Quito, Ecuador. On 1 December 2010, Uruguay became the ninth state to ratify the UNASUR treaty, thus giving the union full legality. As the Constitutive Treaty entered into force