1863 - American Civil War: Tennessee's "military" Governor Andrew Johnson frees his personal slaves. During the early 20th century, the day was celebrated by blacks in Tennessee as a holiday.
1988 - The lights are turned on at Wrigley Field for the first time, making it the last major league stadium to host night games. (The game, against the Philadelphia Phillies, is rained out after three-and-a-half innings.)