On this date in history: In 1829, English scientist James Smithson left a will that eventually funded the establishment of the Smithsonian Institution in Washington -- in a country he never visited. In 1844, Mormon founder Joseph Smith was slain by a mob at a jail in Carthage, Ill. In 1847, the first telegraph wire links were established between New York City and Boston. In 1859, Louisville, Ky., schoolteacher Mildred Hill composed a tune for her students and called it "Good Morning To You."