Same-sex marriage
Topics
Same-sex marriage
Timeline
2004 Massachusetts becomes the first U.S. state to legalize same-sex marriage.
2005 Latvia amends its constitution to eliminate possibility of same-sex couples being entitled to marry.
2008 California becomes the second U.S. state after Massachusetts in 2004 to legalize same-sex marriage after the state's own Supreme Court rules a previous ban unconstitutional.
2009 Same-sex marriage is legalized in Sweden.