1. On September 9, 1857, the first white child was born in what is now the state of South Dakota. The child, named Flora Clifton, was born to parents who were part of a group of settlers that had recently established themselves in the area.

2. In 1889, on September 9, South Dakota officially became a state. The state was created out of the Dakota Territory and was one of the last states to join the union.

3. On September 9, 1895, the first schoolhouse was built in Pierre, the capital city of South Dakota. The school was called the Eastside School and served the community for many years.

4. In 1949, on September 9, the Rapid City Flood occurred. The flood was caused by heavy rain and resulted in the deaths of 238 people, making it the deadliest natural disaster in the history of South Dakota.

5. On September 9, 1982, the Crazy Horse Memorial in the Black Hills of South Dakota was dedicated. The memorial is a massive sculpture of the Lakota warrior Crazy Horse and is still under construction today. When completed, it will be the largest sculpture in the world.