1. Total solar eclipse - On August 21, 2017, many parts of Arkansas were in the path of a total solar eclipse. It was the first total solar eclipse visible from the contiguous United States since 1979, and many Arkansas locals and tourists made their way to the Natural State to witness this unique event.

2. Razorback Stadium dedication - On August 21, 1938, the University of Arkansas dedicated Razorback Stadium in Fayetteville. The stadium was built as part of a Works Progress Administration project and could seat up to 13,500 people.

3. Hot Springs National Park established - On August 21, 1921, President Woodrow Wilson signed legislation to establish Hot Springs National Park in Arkansas. The park is the oldest in the National Park System and is known for its hot springs, which some believe have healing properties.

4. Bill Clinton's first Arkansas visit - On August 21, 1946, a two-year-old Bill Clinton visited Arkansas for the first time with his mother, who had moved there to attend nursing school. Clinton would later become the 42nd President of the United States and is one of Arkansas' most famous natives.

5. First African-American school board member elected - On August 21, 1968, Fannie Lou Hamer, a Civil Rights activist and former sharecropper, was elected as the first African-American member of the Sunflower County School Board in Drew, Arkansas. Hamer was known for her work registering voters and advocating for racial equality in the South.