Same-sex marriage 2010 upon promulgation by the Argentine President. Argentina thus became the first country in Latin America, the second in the Americas, and the tenth in the world to legalize same-sex marriage. Australia became the second nation in Oceania to legalise same-sex marriage when the Australian Parliament passed a bill on 7 December 2017. The bill received royal assent on 8 December, and took effect on 9 December 2017. The law removed the ban on same-sex marriage which previously existed and followed a voluntary postal survey held from 12 September to 7 November 2017, which returned a 61.6% "Yes" vote for
Same-sex marriage 2016, a married same-sex couple filed an action of unconstitutionality seeking to recognise same-sex marriages performed abroad. In early November, the case was admitted to the Supreme Court. A challenge seeking to fully legalize same-sex marriage in Panama was introduced before the Supreme Court in March 2017. The Supreme Court heard arguments on both cases in summer 2017. As the Supreme Court was deliberating on the two cases, the Inter-American Court of Human Rights ruled on 9 January 2018 that countries signatory to the American Convention on Human Rights must legalise same-sex marriage. On 16 January, the Panamanian Government welcomed