This day in history, February 23: The Dow Jones industrial average closes above the 4,000 mark for the first time, ending the day at 4,003.33

In 2007, a Mississippi grand jury refused to bring any new charges in the 1955 slaying of Emmett Till, the Black teenager who was beaten and shot after being accused of whistling at a white woman, declining to indict the woman, Carolyn Bryant Donham, for manslaughter.