Same-sex union legislation legislation of unregistered cohabitation was introduced in the Netherlands in June 1979. However, the first substantial recognition of same-sex couples didn't occur before the introduction of a new legal form, that of registered partnerships, which was first enacted in Denmark in June 1989. Many countries have followed with similar legislation since then. Legislation of these forms of legal unions still occur with a variety of different names, even after the introduction of same sex marriage, although sometimes they are overwritten by subsequent legislation of same-sex marriage. There are currently seventeen countries that have an alternative form of legal recognition other
Same-sex marriage in Argentina one. On August 19, 2008, the Argentine Government announced that it was allowing cohabiting same-sex couples who have lived together for over five years the right to collect the pensions of their deceased partners. This was the first time that unregistered cohabitation or rights for same-sex partners were recognized nationwide. Consequently, four Argentine labor unions extended National Security System medical benefits to employees' same-sex partners (the system operates jointly with unions in the health care area); the benefits are available to members of teacher, commerce employee, executive, and air-transport personnel unions. In December 2005, a judge ordered prisons across the