Did you know that Benjamin Franklin invented the first disposable safety razor. Two years after he first patented his invention, he had the idea of fitting bats with miniature bombs that would occupy the building. Really!
A friend pointed me at this list of fun facts that has been Markovized. Some of them are pretty funny. Here's another: "During the film Don Juan, John Barrymore delivers a grand total of 191 kisses to a telephone pole or street lamp."