Yep, it was in 2002 when I did this to myself. Weirdly, it looks much worse than it actually was. The skin had peeled up and off my finger, but went right back down into place and grew back with no lasting deleterious effects.
Oh, HOW did it happen? Well, I jumped and reached for something overhead and around a metal corner -- as I came down from the jump (probably 16 or 17 inches of vertical jump, as I recall sarcastically) my wedding ring caught the edge of the metal and remained there, pulling skin off in the process.

I worked with a hand doctor at the time, and he suggested that nothing really needed to be done for the finger. I was still in shock (he was seeing me just minutes after this injury occurred) and his nurse insisted that he treat it as a serious injury so he relented and ordered x-rays. Nothing was broken and the only treatment was to wrap the wound and keep it clean and dry.