Well I sprained my left right ankle and fractured my left one time, that was a fun four weeks... Also fractured my skull when I slipped over on the side of a swimming pool, cracked it right behind my left ear and had to have this funny glue stuff put on it.
No actual breakages here though, unless you count tripping and falling chin first onto concrete and breaking three or four of your bottom teeth. That's right, not knocked out, broken. I'm glad I was so young, I've blocked out all the horrible memories of gum-related trauma.