That self-appendectomy
southpolestation.com
southpolestation.com
http://listverse.com/2008/12/09/top-10-incredible-self-surge...
Dr Rogozov's figures in at #4 by their accounting, but I would stick him at #1 as he's the only one to finish the job himself and make a complete recovery without outside medical intervention.
"Unfortunately, surgical techniques of that day also contributed to the appallingly high maternal mortality rates. According to one estimate not a single woman survived cesarean section in Paris between 1787 and 1876."
The woman who gave herself a c-section was able to get medical care soon afterwards. Otherwise she certainly would have died from the wound.
My youngest son keeps saying that we can't know how many women secretly served in the military as men because, by definition, if they succeeded in hiding their gender, we record them as men