On May 9, 2012, shortly after the official launch of his campaign for re-election as president, Obama said his views had evolved, and he publicly affirmed his personal support for the legalization of same-sex marriage, becoming the first sitting U.S. president to do so.
Pada tanggal 9 Mei 2012, sesaat setelah peluncuran resmi kampanyenya untuk pemilihan kembali sebagai presiiden, Obama mengatakan pandangannya telah berubah dan ia secara terbuka mendukung legalisasi pernikahan sesama jenis.