Same-sex marriage in Argentina 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 Paz (2007), and the city of Río Cuarto (2009). Civil
Same-sex marriage an earlier system of registered partnerships for same-sex couples. Prime Minister Jóhanna Sigurðardóttir and her partner were among the first married same-sex couples in the country. Prior to the legalization of same-sex marriage, the "Civil Partnership and Certain Rights and Obligations of Cohabitants Act 2010" allowed same sex couples to enter civil partnerships. The Act came into force on 1 January 2011 and gave same-sex couples rights and responsibilities similar to, but not equal to, those of civil marriage. On 22 May 2015, Ireland held a referendum. The referendum proposed to add to the Irish Constitution: "marriage may be contracted