In ancient China, people committed suicide by eating a pound of salt.
For many years after the Battle of Waterloo, dentures know as "Waterloo teeth" were sold throughout Europe. These were actual human teeth extracted from the corpses of soldiers on the Waterloo battlefield. They were especially esteemed among denture wearers because most of them came from young, healthy boys.
Mickey Mouse has only four fingers. Early Mickey Mouses can be distinguished from later ones by the fact that the originals have a pie-shaped section of white in their eyes while the later ones do not.
Andrew Jackson was the first president to ride in a railroad train. The first to use a telephone was James Garfield. Theodore Roosevelt was the first president to ride in an automobile.
For his entire forty-seven years in government, Herbert Hoover turned over each of his Federal salary checks to charity. He had become independently wealthy before entering politics.
Robert Todd Lincoln, son of Abraham Lincoln, was present at the assassinations of three presidents: his father's, President Garfield's, and President McKinley's. After the last shooting, he refused ever to attend a state affair again.
The first famous western star, Bronco Billy Anderson, who had a bit part in the first western movie ever made (The Great Train Robbery, 1903), was so inept at horseback riding that it took three men to lift him into the saddle.