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 Nayarit second week of December 2014, marking it the third lesbian union in the state. On 27 January 2015, the 5th same-sex marriage occurred in Tepic between two women. It was the first marriage in which the injunction had been approved by local authorities, rather than the federal district courts. On 13 March 2015, members of CODISE handed Congress a bill to legalise same-sex marriage. On 25 June 2015, Deputy Luis Manuel Hernández Escobedo, from the Party of the Democratic Revolution, introduced a bill allowing same-sex couples to marry and making the definition of concubinage gender-neutral. On 17 December 2015, Congress