Same-sex marriage in Spain
Same-sex marriage has been legal in Spain since July 3, 2005. In 2004, the nation's newly elected government, led by Prime Minister José Luis Rodríguez Zapatero of the Socialist Workers' Party, began a campaign to legalize same-sex marriage, including the right of adoption by same-sex couples.
Source: Wikipedia — Same-sex marriage in Spain (CC BY-SA 4.0)