Wild Bill Hickok was murdered in Deadwood, S.D.
The first Lincoln penny was issued.
Warren G. Harding, the 29th president of the United States, died in San Francisco.
PT-109, a torpedo boat commanded by Lt. John F. Kennedy, was sunk off the Solomon Islands by a Japanese destroyer.
The Potsdam Conference, in which Allied leaders planned the postwar governance of Germany, ended.
The Persian Gulf War broke out when Iraq invaded Kuwait.