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 unions and military policy families. In countries which legally recognize at least same-sex unregistered cohabitation, same-sex adoption and open service in the military, the allowance of same-sex adoption by such countries' armed forces is more likely assured. In addition to the issues and occurrences which are encountered in general LGBT parenting, children in same-sex military families would also encounter issues which are endemic to children of opposite-sex military couples, such as deployment, frequent household reassignment, life among other military children (i.e., in school, playtime, socialization), care for wounded parents, life after the death of a parent, dependent benefits, and so on. In 2002 the