Same-Sex Marriage Fast Facts

(CNN)Here's some background information about same-sex marriage in the United States and worldwide.

    US Timeline:
    September 21, 1996 - President Bill Clinton signs the Defense of Marriage Act banning federal recognition of same-sex marriage and defining marriage as "a legal union between one man and one woman as husband and wife."
    December 20, 1999 - The Vermont Supreme Court rules that gay and lesbian couples should be given the same rights as heterosexual couples.
    November 18, 2003 - The Massachusetts Supreme Court rules that a ban on same-sex marriage is unconstitutional.
    February 12-March 11, 2004 - Nearly 4,000 same-sex couples get marriage licenses in San Francisco, but the California Supreme Court eventually orders San Francisco to stop issuing marriage licenses. The nearly 4,000 sanctioned marriages are later nullified by the California Supreme Court.
    February 20, 2004 - Sandoval County, New Mexico issues 26 same-sex marriage licenses, but they are nullified by the stat