1. On December 13, 1861, Confederate forces under General John Hunt Morgan launched an attack on a Union garrison in Hart County, Kentucky, resulting in the Battle of Munfordville. The Union forces ultimately surrendered, and the Confederates gained control of the town and its strategic railroad bridge.

2. The historic town of Bardstown, Kentucky, celebrates "A Bardstown Christmas" each year on December 13, featuring a parade, tree lighting ceremony, and other holiday festivities.

3. Kentucky Governor Steve Beshear signed legislation on December 13, 2011, that added several new state symbols, including the red and white oak trees as the state tree and the gray squirrel as the state mammal.

4. On December 13, 1857, a gas explosion at the Louisville Gas Works resulted in the deaths of several workers and caused significant damage to the surrounding area.

5. Louisville, Kentucky, is home to the Muhammad Ali Center, which opened its doors on December 13, 2005, to honor the life and legacy of the legendary boxer and humanitarian. The Center features interactive exhibits, artifacts, and educational programs.