Measure passed on final vote by 366-161 vote margin; goes to House of Lords
Ruling appears to extend marriage rights to gay couples across the country
Four presidential candidates, European Union ambassador took part
LGBT activists from Albania to Uganda prepare to mark day against bias
Gay couples can marry in South American country on Aug. 1
State Department initially denied her request to attend Equality Forum in Philadelphia
The measure failed by a 51-17 vote margin
Same-sex marriage bill received final approval on April 17.
"Mariage pour tous" bill passed by 331-225 vote margin
Six activists took part in State Department-sponsored trip
