1. On July 20, 1864, Union forces led by General Samuel R. Curtis captured the city of Fayetteville during the Civil War. This victory was an important turning point in the Union's campaign to control northwestern Arkansas and secure the state for the Union.

2. The town of El Dorado was officially incorporated on July 20, 1848. This southern Arkansas town is known for its rich oil and gas reserves, making it one of Arkansas's wealthiest cities.

3. On July 20, 1955, Little Rock's KATV-TV debuted as the state's first television station. This ABC affiliate has been a mainstay of Arkansas broadcasting for over 60 years.

4. Fayetteville's Walton Arts Center opened on July 20, 1992. This performing arts center is named after the Walton family, founders of Walmart and Sam's Club, and has brought world-class entertainment to the region for almost three decades.

5. Lake Ouachita, Arkansas's largest lake, was officially dedicated on July 20, 1956. Located in the Ouachita National Forest, this scenic lake is a popular spot for boating, fishing, swimming, and other outdoor activities.