1. In 1868, the first ever Memorial Day was celebrated in Nebraska. Known as "Decoration Day" at the time, it was a day to decorate the graves of Civil War soldiers.

2. In 1879, Arbor Day was officially declared a state holiday in Nebraska. Arbor Day is a day dedicated to planting trees and promoting conservation efforts.

3. In 1917, Nebraska became the first state to establish a public power district, an effort to provide affordable electricity to rural areas.

4. In 1935, President Franklin D. Roosevelt visited Omaha, Nebraska, as part of a western tour to promote his New Deal programs.

5. In 1975, a deadly tornado outbreak swept through Nebraska, killing three people and causing significant damage in the city of Omaha. The outbreak was part of a larger tornado outbreak that affected several Midwestern states.