These are just the ones I've bothered to post, more will come as I find the time to do it. The extras in the battle scenes in the movie Braveheart were reserves in the Irish Army. The electric chair was invented by a dentist. In Italy it is illegal to make coffins out of anything except nutshells or wood. It takes 18 minuts to cool molten chocolate into a Hershey's Kiss.
Human bones are stronger than concrete.
There is now an ATM at McMurdo Station in Antarctica, which has a winter population of 200. The world record longest kiss lasted 30 hours and 45 minutes.