Changes in gay marriage rights had changed slowly over the years, but more recently, many more states recognized same-sex marriage. Haeyoun Park for the New York Times reports, starting in 1992 just before a Hawaii Supreme Court ruling up to now. Yellow means banned by statute, orange is banned by constitutional amendment, and dark brown means legalized.
Side note: This gridded cell map approach has been popping up more as of late. I like it.
