Email The first same-sex marriages in the UK will take place at the stroke of midnight tonight, after years of tireless campaigning by gay couples fighting to have their unions recognised by law. The Marriage (Same Sex Couples) Act came into force in July last year, but it was not until 13 March that couples were able to register their intention to marry under the Act for the first time. -- Mr McGraith said: "We are thrilled to be getting married. It is a mark of significant social progress in the UK that the legal distinction between gay and straight relationships has been removed.” Read more: Same-sex marriage is about to become legal Why I'm turning my gay wedding into a Channel 4 musical Couples look forward to the big day at Gay Wedding Show -- But, due to the change in the law, their marriage became legally binding at one minute past midnight on 13 March. Ruth Hunt, acting chief executive of gay rights charity Stonewall, said: "Saturday is a momentous day for England and Wales, as the first same-sex marriages mark full legal equality for lesbian, gay and bisexual people. "The first weddings will send a powerful message to every person in Britain and around the world that you can live and love as you choose, regardless of your sexual orientation."