1. Nebraska became a state on June 21, 1867, after being granted statehood by President Andrew Johnson.

2. On June 21, 1935, the Great Plains region of Nebraska was hit by a major dust storm, part of the larger "Dust Bowl" phenomenon that plagued the region during the 1930s.

3. In 1925, the University of Nebraska-Lincoln established the first college of journalism west of the Mississippi River, on June 21.

4. On June 21, 1908, Omaha hosted the first National Congress of Mothers, which was attended by over 700 delegates from 30 states and played a major role in the development of the modern Parent Teacher Association.

5. In 1967, the town of Spencer, Nebraska, was destroyed by an EF4 tornado on June 21, which killed 6 people and caused extensive damage.