1. On December 13, 1815, the state of Tennessee officially ratified the 13th Amendment to the United States Constitution, which prohibited slavery and involuntary servitude throughout the country.

2. In 1862, the Battle of Fredericksburg began in Virginia during the American Civil War. Thousands of Tennessee soldiers fought in the battle, which resulted in a Union defeat and over 12,000 casualties.

3. December 13, 1966, marked the day that a deadly F4 tornado touched down in the city of Murfreesboro, Tennessee. The tornado caused widespread damage, destroying numerous homes and businesses and killing 6 people.

4. The iconic country music artist Taylor Swift was born in West Reading, Pennsylvania, on December 13, 1989. Swift later moved to Nashville, Tennessee, where she began her career and has since become one of the most successful musicians of her generation.

5. On December 13, 2018, the Tennessee Department of Health announced that the state had experienced its largest outbreak of Hepatitis A in over 10 years. Over 1,000 cases were reported, leading officials to declare a public health emergency and launch a widespread vaccination campaign.