1. In 1875, the first recorded tornado outbreak occurred in Nebraska on May 4, with at least three tornadoes reported in different parts of the state.

2. On May 4, 1886, a group of Union Pacific railway workers in Omaha went on strike in protest of severe wage cuts, sparking a nationwide labor movement that would come to be known as May Day.

3. Lincoln, Nebraska became the site of a historic May 4, 1911 debut for the aviation industry, when a Wright Brothers biplane took to the skies for the first time in the state.

4. On May 4, 1975, Nebraska Governor J. James Exon signed a law repealing the state's ban on interracial marriages, making it one of the last states in the country to do so.

5. In 2013, Nebraska lawmakers declared May 4th as "Star Wars Day" in the state, recognizing the cultural impact of the popular film franchise and its ties to the state through creator George Lucas, a native of Modesto, California who attended the University of Southern California.