1912 – RMS Titanic sets sail from Southampton for her maiden (and final) voyage
1893 – The Critic reports that ice cream soda is America’s national drink
1860 – The Pony Express mail delivery system, which used continuous horse-and-rider relays along a 1,800-mile (2,900-km) route between St. Joseph, Missouri, and Sacramento, California, was launched in the United States.
1930 – “The Blue Angel” starring Marlene Dietrich in her breakthrough role premieres in Germany
1915 – American domestic Mary Mallon, better known as Typhoid Mary, was placed under a quarantine on North Brother Island, New York City, that lasted until her death in 1938; a typhoid carrier, she was allegedly responsible for multiple outbreaks of typhoid fever.
1851 – Yosemite Valley discovery made public by Major James D. Savage and Captain John Boling after being shown by Indian guides in California
1806 – Explorers Lewis and Clark begin their journey home from the Pacific Ocean
1869 – US Abolitionist Harriet Tubman marries civil war veteran Nelson Davis in Auburn NY