Illinois became the 21st state in the United States.
Oberlin College in Ohio became the first coed institution of higher learning in the U.S.
French painter and sculptor Pierre A. Renoir died at age 78.
Dr. Christiaan N. Barnard performed the world's first successful human heart transplant.
A cloud of deadly poison gas leaked from the Union Carbide plant in Bhopal, India, killing over 4,000 people.