10 Things You May Not Know About the Pony Express

(via History) On this day in 1860, the first Pony Express mail, traveling by horse and rider relay teams, simultaneously leaves St. Joseph, MO and Sacramento, CA. Ten days later the westbound mail packet completed the 1,800-mile journey and arrived in Sacramento, beating the eastbound packet’s arrival in St. Joseph by two days and setting a new standard for speedy mail delivery.