 On 4 June 2014, the Slovak parliament overwhelmingly approved a sitting social-democratic government sponsored Constitutional amendment to ban same-sex marriage, with 102 deputies for and 18 deputies against the legislation, fulfilling a 2/3 constitutional change requirement (minimum of 100 deputies out of 150 sitting MPs) for enacting this Constitutional amendment.On 18 June 2014, the Parliament of Luxembourg approved a bill to legalise same-sex marriage and adoption.The law was published in the official gazette on 17 July and took effect 1 January 2015.