1. On June 28, 1836, Arkansas became the 25th state in the United States. It was the first state in the Louisiana Purchase to be admitted to the Union.

2. On June 28, 1924, the Ozark National Forest was established in northwest Arkansas. The forest covers over 1 million acres and includes several popular outdoor recreation areas, including Blanchard Springs Caverns and the Buffalo National River.

3. On June 28, 1957, the Little Rock Nine, a group of nine black students, graduated from Little Rock Central High School. The students had faced significant opposition and violence in their efforts to attend the previously all-white school.

4. On June 28, 1997, the Peabody Hotel in Little Rock hosted a Knights of the Ku Klux Klan rally. The event drew widespread condemnation and counter-protests, and the hotel later apologized for allowing the event to take place.

5. On June 28, 2018, Arkansas Tech University announced that it would be eliminating its football program due to financial concerns. The decision was met with disappointment from students and alumni, and the program had been in existence for over a century.