1. In 1922, the monument commemorating the Homestake Gold Mine was unveiled in Lead, SD. The mine was one of the largest and deepest gold mines in the United States, operating for over 125 years before closing in 2002.

2. On September 18, 1890, the first issue of the Black Hills Pioneer newspaper was published in Deadwood, SD. The newspaper has been in continuous publication ever since, covering local news and events for the Black Hills region.

3. The Battle of Blue Water Creek took place on September 18, 1855, near present-day Alliance, NE. The battle was fought between a group of Lakota warriors and a U.S. Army detachment, resulting in the death of six soldiers and at least nine Lakota warriors.

4. In 2009, the Crazy Horse Memorial in the Black Hills unveiled a new sculpture of Crazy Horse's face. The sculpture, which is over 87 feet tall, is part of an ongoing effort to create a massive monument to the Lakota leader.

5. The South Dakota State Fair takes place every year in Huron, SD, with events and activities for all ages. The fair has been a staple of South Dakota's agricultural and cultural heritage since it began in 1885.