(CNN)Alabama is the latest U.S. state to change its stance on gay marriage and start issuing some marriage licenses to same-sex couples. This is despite Alabama Supreme Court Chief Justice Roy Moore's instructions to the probate judges to dismiss the federal ruling.
Same-sex marriage: Where in the world is it legal?
Across the Atlantic in Europe, a low turnout at a referendum in Slovakia on Saturday failed to strengthen a ban on gay marriage and prevent gay couples from adopting. The poll, organized by Alliance for the Family, also asked voters whether sex education and euthanasia should be made optional at school.
As it stands, the following 18 countries have legalized same-sex marriage and two allow the union to take place in some jurisdictions.
COUNTRIES WHERE SAME-SEX MARRIAGE IS LEGAL
2000 The Netherlands
2006 South Africa
2013 New Zealand
2013 England / Wales
COUNTRIES WHERE SAME-SEX MARRIAGE IS LEGAL IN SOME JURISDICTIONS
2003 United States
Source: Pew Research Center, January, 2015