於 2015年6月26日，美國聯邦最高法院作出歷史性的裁決，以5:4票數通過全美50州同性婚姻合法化。
美國聯邦最高法院宣布：全美同性婚姻合法化
美國聯邦最高法院歷史性判決：全美國同性婚姻合法化
歷史性的一刻！歐巴馬針對全美國通過婚姻平權發表演說 影片可見：
美國最高法院對於此判決的結尾：
No union is more profound than marriage, for it embodies the highest ideals of love, fidelity, devotion, sacrifice, and family. In forming a marital union, two people become something greater than once they were. As some of the petitioners in these cases demonstrate, marriage embodies a love that may endure even past death. It would misunderstand these men and women to say they disrespect the idea of marriage. Their plea is that they do respect it, respect it so deeply that they seek to find its fulfillment for themselves. Their hope is not to be condemned to live in loneliness, excluded from one of civilization’s oldest institutions. They ask for equal dignity in the eyes of the law. The Constitution grants them that right.
對此 YouTube 製作了《#ProudToLove – Celebrating Marriage Equality and LGBT Pride Month》來慶祝
各大公司都加入六色彩虹的圖示、背景來慶祝此宣佈，此篇有更多的整理：全美同性婚姻合法化，美國科技公司同聲慶祝
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