On Dec. 2, a little more than five months after the historic decisions by the US Supreme Court, Hawaii became the 15th state to allow same-sex marriage. In November, Illinois passed a similar law that will go into effect in the summer of 2014.
States performing same-sex marriages:
States allowing civil unions or domestic partnerships, but no same-sex marriage:
States with constitutional bans on same-sex marriage:
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In the early 1970s, there were zero states banning or allowing same-sex marriage, and no states offered civil unions or domestic partnerships. How it happened:
NOTE: Map represents when same-sex marriage and civil union laws take effect, not when they are approved or announced. Though the timeline refers to bans by state statute and constitutional amendment, the map of same-sex marriage bans only includes constitutional amendments and not state statutes.
SOURCES: New York Times, Associated Press, Maryland Department of Health and Mental Hygiene, Wisconsin Department of Health Services, State of Delaware, State of New Jersey Department of Health, State of Hawaii Department of Health, Washington State Legislature, State of Illinois, state statutes
Patrick Garvin/Globe Staff