Punched in the stomach, ruptured spleen, followed by and unsuccessful water torture escape.
i always thought it was a burst appendix after that punch to his stomach. but.......i am not sure.
During a performance under water, in a straight jacket, he had a heartattack...(?). Something like that, right?
Organ problems of some sort after getting hit in the abdomen.
Oh wow, I was going to think of something crazy. Wouldn't have been crazier than the truth.
Houdini was punched in the stomach when he wasn't prepared to take the hit. It ruptured his spleen and he bled to death.