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 in the United States same-sex marriage on Indian lands. In the United States, Congress (not the federal courts) has legal authority over Indian country. Thus, unless Congress passes a law regarding same-sex marriage on Indian tribes, federally recognized American Indian tribes have the legal right to form their own marriage laws. As of the time of the "Obergefell" ruling, 24 tribal jurisdictions legally recognize same-sex marriage. Some tribes have passed legislation specifically addressing same-sex relationships and some specify that state law and jurisdiction govern tribal marriages. As of November 2017, same-sex marriage is legally recognized in 40 tribal jurisdictions. Prior to "Obergefell", same-sex marriage