The Yes vote makes Ireland the first country to ever legalize same-sex marriage by popular vote. It also marks a decisive turnaround in the way that LGBT citizens will be treated in the European nation, where homosexuality was only decriminalized in 1993.
A crowd of supporters have gathered in Dublin Castle square to celebrate the outcome of the vote. Check out some photos of their smiling faces below.
1. Same-sex marriage supporters gathered in Dublin Castle square to await the referendum vote outcome on May 23.