New Mexico's Supreme Court decides to be cool and agrees that same-sex marriage should be a thing in New Mexico now.
To steal an image from WaPo, this is marriage equality's legality in the US as of the close of the year 2013.
If you're thinking to yourself "that looks a lot like the blue/red states of the last few elections", you win all the internet dollars.
At the beginning of this year, I could only legally marry a man in one of the four places I have lived. At the close of it, I could now legally marry a man in any of them. That is a really weird pulse of progress in a year of real time.