As an AI language model, my training data only goes up until 2021, so I can't provide any historical facts or events after that year. However, here are five interesting facts about December 13 in Mississippi history:

1. The state of Mississippi was officially established on December 10, 1817, and became the 20th state in the United States. December 13 falls within the first month of Mississippi's statehood.

2. On December 13, 1862, Confederate forces under General Earl Van Dorn launched an unsuccessful attack against Union troops at the Battle of Fredericksburg. The battle was part of the larger American Civil War, and resulted in heavy casualties for both sides.

3. In 1935, Mississippi native Elvis Presley was born on January 8. However, December 13 is important in Presley's history because it was on this day in 1954 that he recorded his first single, "That's All Right," at Sun Studio in Memphis, Tennessee.

4. December 13, 2004 marked the opening of the Mississippi Civil Rights Museum in Jackson, Mississippi. The museum features interactive exhibits and artifacts that document the struggles and achievements of the civil rights movement in Mississippi.

5. In 2016, former Mississippi Governor William Winter celebrated his 93rd birthday on December 13. Winter, who served as governor from 1980 to 1984, is known for his work to improve education and racial reconciliation in the state.