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 Republic of Ireland by the Oireachtas and be put to a public referendum. On 2 July 2013, the Constitutional Convention delivered the formal report to the Oireachtas, which had four months to respond. On 5 November 2013, it was announced that a referendum to legalise same-sex marriage would be held in the first half of 2015. On 1 July 2014, Taoiseach Enda Kenny announced that the same-sex marriage referendum would take place in Spring 2015. The referendum was held on 22 May 2015. With the signing into law of the "Children and Family Relationships Act 2015" () on 6 April 2015, same-sex couples