1. In 1819, the Arkansas Territory was established. This laid the foundation for Arkansas to eventually become a state in 1836.

2. On December 13, 1862, Union troops under the command of General James Blunt defeated Confederate forces at the Battle of Prairie Grove. This was a significant victory for the Union in the Western Theater of the Civil War.

3. The Little Rock Nine, a group of African American students who were the first to integrate Central High School in Little Rock, Arkansas, returned to the school on December 13, 1997 to celebrate their 40th anniversary of the landmark event.

4. Arkansas native Johnny Cash was inducted into the Rock and Roll Hall of Fame on December 13, 1992. Cash is known for hits like "Folsom Prison Blues" and "Ring of Fire" and is considered one of the most influential musicians of the 20th century.

5. On December 13, 1915, the first meeting of the Arkansas Bar Association was held in Little Rock. The association now boasts over 5,000 members and works to promote justice and professionalism in the legal field.