1. On June 20, 1943, the Pine Bluff Arsenal in Jefferson County began producing bombs and ammunition to support the Allied Forces during World War II.

2. The University of Arkansas in Fayetteville was established on June 20, 1871, under the Morrill Land-Grant Act. Today, it is the flagship campus of the University of Arkansas System and serves as a major research institution.

3. On June 20, 1964, the first African American student, Silas Hunt, graduated from the University of Arkansas School of Law. Hunt fought a legal battle to be admitted to the law school, and his victory paved the way for desegregation of the university.

4. The small town of Dumas in Desha County has a unique claim to fame on June 20, as it is home to the "World Championship Crawfish Eating Contest." The event draws contestants from all over the country to compete for the title of top crawfish eater.

5. The historic Arkansas State Capitol building in Little Rock had its cornerstone laid on June 20, 1899. The marble structure, which is listed on the National Register of Historic Places, is home to the offices of the governor and the Arkansas General Assembly.