Sen. Katherine Zappone kisses Ann Louise Gilligan on Saturday, May 23, at the central count station at Dublin Castle, Dublin, after Zappone proposed live on televison. By a solid majority, Ireland became the first country in the world to legalize same-sex marriage by popular vote.
Supporters celebrate outside Dublin Castle following the announcement of the result of the same-sex marriage referendum.
Irish Deputy Prime Minister (or Tanaiste) Joan Burton said the anticipated "yes" vote was Ireland's "rainbow moment." Above, savoring the moment in Dublin.
Drag queen and gay rights activist Rory O'Neill, also known by the stage name Panti, raises her arms with supporters for same-sex marriage at Dublin Castle on Saturday, May 23.
Supporters in favor of same-sex marriage pose for a photograph as thousands gather in Dublin Castle square awaiting the referendum's outcome on May 23.
Newly married couple Anne and Vincent Fox kiss in Dublin on Friday, May 22, under a rainbow umbrella, showing their support for the "yes" side in the same-sex marriage referendum.
Sister Loreto Ryan of the Sisters of Charity casts her vote in Drumcondra, north Dublin on May 22. The same-sex marriage referendum was seen by many as a test of whether Ireland, a majority Catholic nation, would break from tradition.
Voters cast their ballots on May 22 in the Drumcondra area of north Dublin.
Pesdestrians cross a street next to placards on the same-sex marriage referendum in Dublin, Ireland, on May 22.
A woman walks past a mural promoting the "Yes" campaign in favor of same-sex marriage on May 22 in Dublin, Ireland.
"No" campaign posters are seen in the village of Knock, in northwest Ireland, on Tuesday, May 19.