1. In 1890, a tornado struck the town of Gettysburg, South Dakota, killing nine people and causing extensive damage to buildings and farms in the area.

2. On July 25, 1916, the infamous outlaw and bank robber, Harry Longabaugh, also known as the Sundance Kid, was reportedly killed in a shootout with Bolivian soldiers in a remote area of the country.

3. In 1947, the Crazy Horse Memorial was dedicated in the Black Hills of South Dakota. The monument, which is still under construction, honors the legendary Lakota warrior and leader of the same name.

4. On July 25, 1967, the town of Belle Fourche in western South Dakota experienced a rare earthquake, measuring 4.8 on the Richter scale. While no significant damage was reported, it was a reminder that earthquakes can occur even in areas not known for seismic activity.

5. In 1990, the state's first ever gay pride parade was held in Sioux Falls, with hundreds of people coming out to celebrate and advocate for LGBT rights. The event was a turning point for the state's LGBTQ community, which has since made significant strides towards equality and acceptance.