Massachusetts became the first state to welcome gay marriages in 2004. Since then, 17 states and Washington, DC have followed their lead and now allow same-sex couples to tie the knot.
The Defense of Marriage Act (DOMA) passed in 1996, barring same-sex couples from marrying at the federal level. The Supreme Court struck down the core of this legislation in 2013, ensuring 1,100+ federal protections for gay couples.
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