1. In 1917, the United States officially entered World War I. South Dakota played a significant role in the war effort, with over 35,000 of its citizens serving in the armed forces. The state also contributed to the war effort through the production of goods like food and ammunition.

2. On April 5, 1933, South Dakota Governor Tom Berry signed a bill legalizing the sale of 3.2% beer in the state. This was a significant moment in the history of the state and the country, as it marked the end of Prohibition.

3. In 1973, South Dakota Governor Richard Kneip signed a bill establishing the Department of Corrections in the state. The department is responsible for the operation of the state's prison system and the supervision of probation and parole services.

4. On April 5, 1986, the University of South Dakota women's basketball team won the Women's National Invitation Tournament (WNIT) championship. The team defeated Louisiana Tech 91-75 in the championship game, capping off a historic season for the program.

5. In 2013, the South Dakota state legislature passed a bill allowing school districts to arm teachers and other school staff members. The bill sparked controversy and was ultimately vetoed by Governor Dennis Daugaard, who cited safety concerns and the potential for accidents.