Same-sex marriage in Argentina 16% supported civil unions or other forms of legal recognition. Same-sex marriage in Argentina Same-sex marriage in Argentina has been legal since July 22, 2010. Argentina was the first country in Latin America, the second in the Americas, and the second in the Southern Hemisphere to allow same-sex marriage nationwide. It was the tenth country worldwide to allow same-sex marriage. In the first decade of the 21st century, civil unions ( or "unión convivencial") were made legal in four jurisdictions in Argentina: the Autonomous City of Buenos Aires (2002), the province of Río Negro (2003), the city of Villa Carlos
Same-sex marriage in Uruguay Same-sex marriage in Uruguay Same-sex marriage became legal in Uruguay on August 5, 2013. A bill for legalization was passed by the Chamber of Representatives on December 12, 2012 in a vote of 81–6. The Senate approved it with some minor amendments on April 2, 2013, in a 23–8 vote. The amended bill was approved by the Chamber of Representatives in a 71–21 vote on April 10 and was signed by the President on May 3, 2013. On January 20, 2008, Uruguay became the first Latin American country to have a national civil union law, titled "Ley de Unión Concubinaria".