Historical Events
- Oct 1 Civil Code enforced (- Jan 1, 1992)
- Oct 27 Missouri governor Lilburn Boggs issues the Extermination Order, which orders all Mormons to leave the state or be exterminated.
Famous Birthdays
Georges Bizet
Oct 25 Georges Bizet, French composer (Carmen), born in Paris (d. 1875)

Georges Bizet
Famous Deaths
- Oct 1 Charles Tennant, Scottish chemist and industrialist, dies at 70
- Oct 3 Black Hawk (chief), Leader of the Sauk Native American tribe (b. 1767)
- Oct 4 Eleanore Sophia Maria Westenholz, German composer, dies at 79
- Oct 15 Letitia Elizabeth Landon, English poet (Heath's Book of Beauty), dies at 36
- Oct 19 Henry Fagel, baron/court clerk of States-General/diplomat, dies at 73