1. In 1930, a massive sandstorm swept across South Dakota, causing damage to crops and property. The storm, known as Black Sunday, was one of the most severe dust storms in American history.

2. The town of Martin, South Dakota, was founded on April 8, 1911. Located in Bennett County, it is home to the Pine Ridge Indian Reservation and the Oglala Sioux Tribe.

3. In 1975, a wildfire broke out in the Black Hills National Forest near Custer, South Dakota. The fire, which became known as the Legion Lake Fire, burned over 84,000 acres of land.

4. On April 8, 1993, the Wounded Knee Museum opened in Wall, South Dakota. The museum commemorates the 1890 Wounded Knee Massacre, in which U.S. troops killed hundreds of Lakota Sioux men, women, and children.

5. The South Dakota School of Mines and Technology was established on April 8, 1885, in Rapid City, South Dakota. The school, which has a focus on engineering and science education, is one of the top engineering schools in the country.