Measure seeks to end ‘historic discrimination’ against gay couples
U.S., other governments accused of imposing views
Supporters say measure ‘strengthens’ families
Proposal passed by 25-14 vote margin; seven countries abstained
U.S. among countries to back proposal
Victory Fund co-organizing gathering
LGBT advocates describe vote as ‘step forward’
Some countries supported it ‘with reservations’
Last year brought advances, setbacks across the world
Complaint filed with the Inter-American Commission on Human Rights
