1. Arkansas became a state on March 21, 1836. After gaining independence from Spain, it was initially part of the Missouri Territory until it eventually became a state of its own.

2. March 21, 1952, marked the beginning of a massive tornado outbreak in the central United States, including Arkansas. The storms killed at least 60 people and caused widespread destruction throughout the region.

3. In 1970, the Arkansas Razorbacks basketball team won their first NCAA National Championship on March 21. Behind the leadership of legendary coach Eddie Sutton and future NBA star Sidney Moncrief, the Razorbacks defeated the UCLA Bruins 78-76 in the championship game.

4. On March 21, 1975, the Arkansas House of Representatives passed a bill designating the mockingbird as the official state bird. Known for its beautiful songs and diverse range of regional dialects, the mockingbird is a common sight and sound throughout Arkansas.

5. In 2019, March 21 was designated as National Agriculture Day. Arkansas is a major agricultural state, known for its production of rice, soybeans, cotton, and poultry, among other crops. The day is meant to celebrate the contributions of American farmers and ranchers to the economy and society as a whole.