Today is the first day since 1937 that marijuana has been legal for recreational use anywhere in the United States. As Jon Walker writes, Colorado was technically the first state to approve legalized marijuana, but Amendment 64 won’t go into effect for a few more months.

Brian Sonenstein created this terrific avatar for Facebook to honor the event, and those who worked hard to make this happen. Feel free to share it and celebrate.

Click on this link to make the image your Facebook or Twitter avatar.