Since 1992, Washington, D.C. has offered [[domestic partnership]]s, which are similar to [[same sex marriage]].<ref>[http://www.answers.com/topic/domestic-partnership-in-the-united-states Answers.com]</ref> | Since 1992, Washington, D.C. has offered [[domestic partnership]]s, which are similar to [[same sex marriage]].<ref>[http://www.answers.com/topic/domestic-partnership-in-the-united-states Answers.com]</ref> |